Why do you need a threaded fitting weight and volume chart?

In engineering design, project procurement, and logistics, accurate knowledge of the weight and volume of various threaded fittings is crucial.

✅ Assisting engineers with equipment load and support design

✅ Providing accurate cost estimates for procurement personnel

✅ Facilitating storage and packaging planning

✅ Providing a basis for volumetric weight calculations for international shipments

By referring to this chart, users can more accurately calculate the total weight and volume of an entire batch of fittings, improving project management efficiency.

Standards and Pressure Classes for Threaded Pipe Fittings

Similar to socket weld fittings, the primary manufacturing standard for forged steel threaded pipe fittings is ASME B16.11. This standard details the dimensions, tolerances, thread type (typically NPT), marking, and material requirements for the fittings.

Threaded pipe fittings are primarily classified into the following pressure classes based on their pressure capabilities:

Class 2000 (2000 lb): Suitable for low- to medium-pressure applications.

Class 3000 (3000 lb): The most common pressure class, used in a wide range of applications.

Class 6000 (6000 lb): Designed for high-pressure applications, it features thicker walls and increased strength.

The higher the pressure class, the thicker the wall and overall dimensions of the fitting, and the heavier its weight.

Threaded Fitting Types

Threaded Elbow

Threaded Tee

Threaded Coupling

Threaded Nipple

Threaded Bushing

Threaded Plug

Threaded Union

Threaded Cap

Our Threaded Fitting Product Specifications

We specialize in manufacturing and exporting a wide variety of threaded forged fittings. Our product range includes:

Standards: ASME B16.11 / MSS SP-79 / MSS SP-83 / BS 3799

Size Range: 1/8” to 4”

Pressure Rating: Class 2000 / 3000 / 6000

Thread Types: NPT, BSP, BSPT, PT

Material:

Carbon Steel ASTM A105 / A350 LF2

Stainless Steel ASTM A182 F304 / F316

Alloy Steel ASTM A182 F11 / F22

Duplex Stainless Steel :2205/2507

Testing and Certification: 3.1 MTC, Dimensional Inspection, Spectroscopic Analysis (PMI), NDT Testing

All products comply with international standards and are suitable for high-temperature, high-pressure, and corrosive environments.

Download the Threaded Fitting Weight and Volume Chart (PDF)

For the convenience of engineers and purchasing departments, we have compiled a detailed

“Threaded Fitting Product Weight and Volume Chart” PDF file.

This document covers the weight and volume data for threaded fittings in sizes from 1/8″ to 4″.

[Click here to download the free PDF Weight and Volume Chart]

The post ASME B16.11 Threaded Fitting Weight/Volume Chart appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Why are the weight and volume of socket weld fittings so important?

Logistics and Transportation Cost Estimation: Transportation costs are often directly linked to the weight and volume of goods.

Inventory Management and Warehouse Planning: Knowing the dimensions and weight of each fitting helps you more efficiently plan warehouse space, optimize inventory layout, and ensure safe storage.

Structural and Support Design: In piping systems, the weight of fittings creates loads on their supporting structures.

Site Construction and Installation: Construction teams can prepare appropriate handling and installation tools in advance based on the weight and size of the fittings.

Project Budgeting and Cost Control: Accurate weight data is essential for accurate cost calculations, whether for material procurement or transportation and installation, and helps control the overall project budget.

Standards and Pressure Ratings for Socket Weld Fittings

Before reviewing weight/volume tables, it’s important to first understand the primary design and manufacturing standard for socket weld fittings—ASME B16.11. This standard, developed by the American Society of Mechanical Engineers (ASME), covers the dimensions, tolerances, markings, and material requirements for forged steel socket weld and threaded fittings.

Socket weld fittings are primarily classified into three pressure classes based on their pressure capabilities:

Class 3000 (3000 lb): This is the most commonly used pressure class, suitable for medium- and high-pressure applications.

Class 6000 (6000 lb): Suitable for higher pressures, typically used in heavy industry or more demanding systems.

Class 9000 (9000 lb): Designed for extremely high-pressure environments, such as those in petrochemical, offshore, and other specialized applications.

The higher the pressure rating, the thicker the wall of the fitting, which in turn increases the weight and size.

Types of Socket Weld Fitting

· Socket Weld Elbow

· Socket Weld Tee

· Socket Weld Cross

· Socket Weld Coupling

· Socket Weld Cap

Download the Socket Weld Fitting Weight and Volume Chart (PDF)

To facilitate engineers and purchasers, we’ve compiled a detailed

“Socket Weld Fitting Weight and Volume Chart” PDF file, covering all standard sizes from 1/8″ to 4″.

 [Click here to download a free PDF weight and volume chart]

Socket Weld Fittings Manufacturer

We specialize in manufacturing and exporting socket weld fittings to the following standards:

Standards: ASME B16.11 / MSS SP-79 / MSS SP-83 / BS 3799

Material: Carbon Steel ASTM A105, Stainless Steel 304/316, Alloy Steel A182 F11/F22

Size Range: 1/8″ to 4″

Pressure Rating: Class 3000 / 6000 / 9000

All products come with a 3.1 MTC material certificate. NDT, spectral analysis, and dimensional testing are available upon request.

The post ASME B16.11 Socket Weld Fitting Weight/Volume Chart appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Types of Steel Pipe Couplings

Straight Couplings:

As the most fundamental and common coupling type, straight couplings feature identical diameters at both ends. Their smooth inner walls precisely match the pipe’s outer diameter, enabling seamless connection between pipes of the same size for unobstructed medium flow. Their simple structure is typically achieved through one-piece casting or forging. Compatible connection methods include threaded, welded, and compression fittings, allowing flexible selection based on pipeline pressure requirements.

In application scenarios, straight pipe couplings are widely used in low-to-medium pressure conventional piping systems. Material options are diverse: plastic materials (such as PVC, PE) are suitable for civil water supply and drainage; carbon steel is compatible with general industrial piping; stainless steel 304/316 materials can be used in food processing, medical equipment, and other sanitary or mildly corrosive environments.

Reducer Couplings

Reducer couplings connect pipes of differing nominal diameters. Featuring a larger inner diameter at one end and a smaller diameter at the other, they facilitate smooth transitions between pipe sizes. Commonly used to adjust fluid flow rates or adapt to equipment interfaces of varying specifications, they minimize flow resistance at transition points, preventing pressure loss or turbulence caused by abrupt diameter changes.

They are primarily used in systems requiring pipe diameter adjustments, with threaded and welded connections being the main installation methods. For high-pressure applications, forged reducer couplings are often used to ensure structural strength. In low-pressure residential scenarios, injection-molded plastic reducer couplings are commonly employed due to their ease of installation and lower cost.

Full Coupling:

The core advantage of full couplings lies in their uniform wall thickness throughout the entire length, meeting standard pipe wall thickness specifications. Both ends feature complete connection structures capable of withstanding pressures and temperatures equivalent to the pipeline itself. Functioning as an “extension segment” of the pipeline, they can directly replace portions of pipe length while simultaneously connecting two pipeline sections.

Compared to standard couplings, full couplings offer higher pressure ratings, accommodating medium-to-high pressure ranges. They are commonly used in demanding applications such as petrochemical processing, natural gas transmission, and high-pressure steam pipelines.

Half Coupling:

The structural feature of the half coupling (abbreviated as half coupling) is “one end complete, one end simplified”: one end possesses a standard connection structure (such as threaded holes or weld bevels) for tight connection to the pipeline; the other end is a flat or short pipe structure. Its primary function is to create a branch pipe or interface for large pipelines or vessels without cutting or altering the main pipeline structure, making it commonly used for branch connections. Serving as a “connection base” for piping systems, they can be expanded with valves, flanges, and other fittings to enhance pipeline functionality.

Since only one end bears the load, half couplings have a slightly lower pressure rating than full couplings. They are primarily suited for medium-to-low pressure applications, typically connected via welding, with materials matching the equipment or pipeline specifications.

Socket Weld Coupling

The socket weld coupling employs a “socket + insert pipe” connection structure. One end features a socket with a groove, while the other end consists of a short pipe that can be inserted into the pipeline. During installation, the pipe is inserted into the socket until it reaches the bottom, then welded along the socket edge (typically a fillet weld). The welded area forms a sealing ring, effectively preventing medium leakage. Its advantages include superior sealing performance, simplified welding operations with lower technical requirements, and reduced pipeline alignment errors.

Primarily used in medium-to-small diameter, medium-to-high pressure precision pipelines. Due to the gap between the socket bottom and pipe end, it is unsuitable for transporting crystallizing or clogging media.

Threaded Coupling:

A threaded coupling is another type of full coupling. Both ends feature internal threads, connecting to externally threaded pipes through tightening. No welding is required; installation only necessitates tightening with a wrench. In some scenarios, sealing tape or sealant can be used to enhance sealing performance. Disassembly is quick and easy, facilitating pipeline maintenance or modifications. This connection method offers convenient and rapid installation, easy disassembly and replacement, and is suitable for low- to medium-pressure removable pipeline systems.

Carbon Steel Pipe Couplings

Carbon steel pipe couplings are the most common and cost-effective type of pipe coupling. Primarily composed of iron and carbon, they offer excellent strength, hardness, and toughness, meeting the connection requirements for most medium- and low-pressure, non-corrosive piping systems. Due to their outstanding cost-performance ratio, carbon steel pipe couplings are widely used in pipelines transporting ordinary fluids such as water, oil, and gas. However, their primary drawback is poor corrosion resistance, making them unsuitable for humid or highly chemically corrosive environments.

Alloy Steel Pipe couplings

Alloy steel pipe couplings are manufactured by adding alloying elements such as chromium, molybdenum, and vanadium to carbon steel. These additions significantly enhance the couplings’ resistance to high temperatures, high pressures, and wear. Consequently, alloy steel pipe couplings are the preferred choice for demanding industrial environments, such as in petroleum, chemical, and power industries, where they are used in pipeline systems handling high-temperature, high-pressure steam or special media. Their performance surpasses that of carbon steel pipe couplings, though they also carry a relatively higher cost.

Stainless Steel Pipe couplings

Stainless steel pipe couplings are renowned for their exceptional corrosion resistance. Containing at least 10.5% chromium, they form a dense chromium oxide passivation layer that effectively resists various forms of corrosion. Depending on the content of elements like chromium, nickel, and molybdenum, stainless steel pipe couplings are further classified into multiple grades to suit different corrosive environments. Due to their non-toxic, hygienic, and easy-to-clean properties, they are commonly used in highly sanitary applications such as food processing, pharmaceuticals, and drinking water systems. They are also an ideal choice for humid or outdoor environments.

ASME B16.11 Coupling Specification

Socket Weld Coupling Dimension

Threaded Pipe Couplings Dimension

ASME B16.11 Socket Weld coupling Weight and Volume Chart

ASME B16.11 Socket Weld Fittings Weight and Volume Chart

ASME B16.11 Threaded Coupling Weight and Volume Chart

ASME B16.11 Threaded Fittings Weight and Volume Chart

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What is ASTM B16.11?

This Standard covers ratings, dimensions, tolerances, marking, and material requirements for forged fittings, both socket-welding and threaded, as illustrated in Tables 1 through 5 and Tables I-1 through I-5, inclusive.

Fitting Types/Configuration. Types of fittings covered by this Standard are shown in Table 6, by class and size range. Fittings shown in Tables 1 through 5 and Tables I-1 through I-5 may also be made with combinations of socket-welding and threaded ends.

Special Fittings. Fittings with special dimensions, threads, or counterbores may be made by agreement between the manufacturer and purchaser. When such fittings meet all other stipulations of this Standard, they shall be considered in compliance therewith, provided they are appropriately marked (see section 4).

Welding. Installation welding requirements are not within the scope of this Standard. Installation welding shall be in accordance with the applicable piping Code or regulation covering the piping system into which the fittings are installed.

Forged Fittings Specification

ASTM B16.11 is an international standard for forged fittings, covering both threaded and socket weld types. These high-pressure fittings offer multiple material options, including stainless steel, carbon steel, and high-nickel alloys.

Sizes range from 1/2 inch to 4 inches, with pressure ratings of 2000, 3000, 6000, and 9000. Pressure ratings differ between threaded and socket weld fittings: threaded fittings are rated at 2000, 3000, and 6000, while socket weld fittings are rated at 3000, 6000, and 9000.

Forged fittings are manufactured by forging and machining solid steel stock. They encompass various shapes including elbows, caps, crosses, plugs, tees, caps, nipples and so on. These fittings connect pipes, pumps, valves, and other equipment to form piping systems with diameters less than 2 inches or 4 inches.

Socket weld fittings connect pipes through fillet welds, while threaded fittings connect by screwing into threads. Typically, Grade 3000 fittings are used for 80/XS schedule pipes; Grade 6000 fittings for 160 schedule pipes; and Grade 9000 fittings for thicker-walled pipes (XXS schedule).

Types of Forged Fittings

Socket Weld Fittings

Socket weld fittings are a type of pipe connection, consisting of a socket and a spigot. The socket is the part of the pipe fitting that receives the spigot of another pipe fitting, and the spigot is the part of the pipe fitting that is inserted into the socket. Its outer diameter is slightly smaller than the inner diameter of the socket so that it can be inserted smoothly.

Threaded Fittings

Threaded fittings are fittings with threads, which are connected to other pipe fittings, valves or equipment through threaded connection. Threaded connection is a detachable connection method, which uses the internal or external threads on the pipe fittings to achieve connection and sealing through the screwing of threads.

Socket Weld Pipe Fittings Dimensions

ASME B16.11 Elbow & Tee & Cross Dimensions

ASME B16.11 Coupling & Cap & 45°Lateral Dimensions

Socket Weld Pipe Fittings Weights

SW 90° Elbow & 45° Elbow

SW Tee & Cross

SW Coupling & Cap

Threaded Fittings Dimensions

ASME B16.11 Elbow & Tee & Cross Dimensions

ASME B16.11 Coupling & Boss & Cap Dimensions

ASME B16.11 Plug & Bushing Dimensions

ASME B16.11 Female and Male Threaded 90°Elbow

Threaded Fittings Weights

THRD 90° Elbow & 45° Elbow

THRD Tee & Cross

THRD Coupling & Cap

THRD Head Plug

THRD Hex Head Bushing & Flush Bushing       

The post ASME B16.11 Forged Fittings Dimensions appeared first on Quality Manufacturer of Industrial Pipe Fittings.

A Socket Weld Tee, also known as a socket weld tee fitting, is a high-pressure pipe connection component manufactured using round steel or steel ingots through die-forging and machining on a lathe. It is used in piping systems to achieve a “one-pipe-to-two-branches” configuration. Its core structure includes three ports: one main pipe port and two branch pipe ports, all of which utilize socket weld connections. Unlike ordinary threaded tees or butt-welded tees, the ports of a Socket Weld Tee are designed in a “socket” form, allowing pipes to be directly inserted into the sockets and then secured via welding to form a tight, sealed connection. It is primarily used in high-pressure precision fields such as petrochemicals, power generation, aerospace, and defense industries. Its manufacturing processes include hot pressing, radial compression, and branch pipe stretching, differing from the metal compensation method used in hydraulic forming processes.

Forged Socket Weld Fittings Tees are categorized into two types based on structure: equal tee and reducing tee. Sizes range from DN6 to DN100, with common sizes being DN15 to DN50. Materials include carbon steel, stainless steel, and alloy steel. Pressure ratings include 3000LB, 6000LB, and SCH80. The product complies with the American Standard ASME B16.11. Contact us

Forged Fitting Socket Weld Tee Specification 

Advantages of Socket Weld Tees: Why Are They thePreferred Choice for Industrial Piping?

1. Strong Adaptability to High-Pressure Conditions

The socket weld tee’s socket weld structure can withstand higher working pressures (typically compatible with pressure ratings from Class 150 to Class 2500), far exceeding the pressure limits of threaded tees. Socket weld connections provide excellent structural strength, enabling them to withstand high internal and external pressures, and are commonly used in applications with pressure ratings of Class 3000, 6000, and 9000.

2. Corrosion Resistance

High-quality Socket Weld Tees are typically manufactured from materials such as stainless steel (e.g., 304, 316L), alloy steel, or specialty plastics. Among these, Socket Weld Tees made from 316L stainless steel not only resist corrosion from ordinary water and oil media but also significantly extend the service life of the fittings, reducing long-term maintenance costs.

3. Easy and Efficient Installation

Compared to the complex process of butt-welded tees, which require precise alignment of pipes and multiple welds, the installation of Socket Weld Tees is much simpler: simply insert the pipe into the socket and secure it with a single weld.

4. Wide Range of Applicable Media

Whether it is gas, liquid, or certain powder media, Socket Weld Tees can be reliably adapted.

5. High strength and leak-proof performance:

By welding the pipes and tees together, a robust and completely leak-proof connection is formed. This is critical for systems transporting high-pressure, high-temperature, or hazardous fluids.

6. Smooth inner walls: Although there are weld seams on the exterior, since the pipes are inserted into the socket, the weld seams do not protrude into the pipe interior, ensuring smooth fluid flow within the pipe and minimizing turbulence and pressure drop.

ASME B16.11 Socket Weld Tee Dimensions 

ASME B16.11 Forged Tee Weight Chart in KG

Tolerances for Socket Weld Fittings

Material & Grades of Forged Fittings Tees 

Carbon Steel :
ASTM A105 / A105N,ASTM A350 LF2 / LF3, A694 F42 / 46 / 52 / 56 / 65 / 70

Alloy Steel :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Stainless Steel :
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel :
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Copper Alloy Steel :

 ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel Alloy :
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No.N10276), Alloy 20 (UNS No. N08020)

Types of Socket Weld Tee – Comparison

Application Areas

Oil and Gas Transportation

Chemical and Petrochemical Plants

Power and Boiler Systems

Shipbuilding and Marine Engineering

High-Pressure Hydraulic and Steam Systems

Conclusion

The Socket Weld Tee, with its advantages of high-pressure resistance, corrosion resistance, easy installation, and wide applicability, has become an indispensable key component in industrial piping systems. Whether in high-pressure, high-temperature industries such as petrochemicals and power generation, or in fields with stringent hygiene and corrosion resistance requirements such as food and pharmaceuticals and water treatment, selecting the appropriate Socket Weld Tee can significantly enhance the stability and service life of the piping system.

When purchasing Socket Weld Tees, it is recommended to prioritize products manufactured by reputable manufacturers that comply with international/domestic standards, and to select the appropriate type based on the characteristics of the medium and operating conditions. During installation, strict adherence to specifications is essential to ensure the quality of the connections. In the future, with advancements in material technology and intelligent systems, Socket Weld Tees will play an increasingly important role in more industrial applications, providing stronger support for the efficient and safe operation of pipeline systems.

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ZIZI specialize in selling all kinds of pipe fittings, tubes, plates, flanges, bolts and nuts. Our products are widely used in many fields, from precision machinery manufacturing to warm home decoration and even high-end aerospace industry. We have become a trusted choice for many industries due to our superior product quality and wide range of applications. Not only do we offer a wide range of products, but we can also provide customized processing services according to the specific needs of our customers. With advanced production equipment and strict quality management system, we are committed to providing high-quality piping solutions to customers worldwide. Welcome to contact us.

Specification of Latroet Pipe Fitting

Latrolet Types

Socket Weld Latrolet :

This type of Latrolet is typically used for smaller pipes. It features a socket into which the branch pipe is inserted and then welded using a fillet weld. This connection is strong and reliable, suitable for high-pressure and high-vibration environments.

Threaded Latrolet :

The outlet of a threaded Latrolet is internally threaded and connected to the branch pipe via a threaded connection. This connection offers the advantage of easy installation and removal, but its sealing performance is weaker than that of a butt weld. It is typically used for medium- and low-pressure, small-sized piping systems.

Butt Weld Latrolet :

The outlet of a butt weld Latrolet is beveled, allowing for direct butt welding to the branch pipe. This connection offers the highest strength and best sealing performance, making it suitable for critical piping systems of various sizes, high pressures, and high temperatures.

Material & Grades of Latroet Forged  Fitting

Carbon Steel Threaded Flanges :
Carcon Steel: ASTM A105 / A105N,ASTM A350 LF2 / LF3, A694 F42 / 46 / 52 / 56 / 65 / 70

Alloy Steel Threaded / Screwed Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Stainless Steel Threaded Flanges :
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel Threaded Flanges :
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Copper Alloy Steel Threaded Flanges :

 ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel Alloy Threaded Flanges :
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No.N10276), Alloy 20 (UNS No. N08020)

Latrolet Dimensions

Latrolet Weight Chart in KG

Installation Method

Positioning and Drilling: First, precisely mark the position where the branch pipe needs to be connected to the main pipe. Then, use a specialized drill bit to create a hole in the main pipe that matches the inner diameter of the branch pipe. The quality of the drilling directly affects the sealing and strength of the connection.

Branch pipe joint connection: Align the inner hole at the bottom of the 45-degree branch pipe joint with the hole on the main pipe for welding or other connection. If using butt welding, ensure the weld quality meets standard requirements. I +f using socket welding, pay attention to the socket depth and sealing performance.

Bolt tightening: Some branch pipe fittings are designed as two-piece structures, secured to the main pipe with bolts, and typically have rubber seals inside to ensure sealing. This method facilitates disassembly and maintenance.

Connecting the branch pipe: Insert the branch pipe into the socket of the branch pipe fitting and complete the subsequent connection.

Advantages:

Convenient and efficient construction: No need to cut the main pipeline, greatly reducing construction time and difficulty.

Cost-effective: Compared to purchasing and installing complete tee fittings, material and labor costs are typically lower.

Minimal disturbance to the main fluid flow: Compared to right-angle branches, the smooth 45-degree transition helps reduce fluid resistance, noise, and pressure drop.

High flexibility: Branches can be added flexibly at any position along the pipeline, offering high layout flexibility.

Disadvantages:

Connection strength issues: Compared to one-piece three-way fittings, the strength of connections at welded or fixed branch pipe seats may be a weak point, requiring higher construction standards.

Impact on main pipe structure: Drilling holes in the main pipe alters its original stress distribution. If the holes are improperly drilled or the main pipe wall thickness is insufficient, it may affect the structural strength of the main pipe.

Potential leakage risks: The sealing at connection points relies entirely on construction quality. Whether through welding or gaskets, improper handling may result in leakage points.

Cleaning and maintenance: The inner walls at connection points may not be as smooth as those of integral fittings, posing a risk of debris accumulation over time.

You can get an offer for products in below material forms:

-Pipe and Tube (EN 10216-5, ASTM A213, ASTM A249, A312, A790,)

-Forged Fitting and Flange (ASTM A182 , ASTM A105,ASTM B564 )

-Butt Weld Fittings (ASTM A234, ASTM A403,ASTM A815)

-Round bar , Billet (ASTM A276, ASTM A479)

– Plate, Sheet, Strip(ASTM A240, EN 10028-7, A480)

-Bolting, Nuts（ASTM A193, A194, A320）

The post Latrolet Pipe Fitting appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Goods List as Below:

Products Photos

Packaging

Individual Packaging: Each forged part is individually wrapped in rust-proof paper, bubble wrap, or pearl cotton to prevent collisions and scratches.

Shock-Absorbing Filling: The individually packaged forged parts are placed in sturdy cardboard or plastic boxes, with the interior filled with shock-absorbing materials such as foam, shredded paper, or air cushion bags.

Vacuum packaging/aluminum foil bag packaging: For precision forgings with extremely high requirements for moisture resistance and corrosion prevention, vacuum-sealed or inert gas-filled (e.g., nitrogen) aluminum foil bags are used to isolate oxygen and moisture.

Wooden boxes/wooden frame boxes: For heavier forgings or those requiring enhanced protection, closed wooden boxes or framed wooden boxes are used, with internal fixed brackets or cushioning materials as needed.

ASTM A105 Forged Fittings Chemical Composition

ASTM A105 Forged Fittings Mechanical Property

ASTM A105 Threaded Fittings Dimensions

Coupling & Boss & Cap

Plug & Bushing

Types of ASME B16.11 Threaded Fittings

Threaded Elbow

A threaded elbow is a pipe fitting used to change the direction of a pipe, with threads on one or both ends. It usually consists of an elbow body and a threaded part. The bending part of the elbow body is generally 90° or 45°.

Threaded Tee

Threaded Tee is usually used in some low-pressure small-diameter pipeline systems. It can divide the pipeline into three branches and form a 90-degree angle between the three branches.

Threaded Cross

Threaded Cross is a pipe connector with four openings, usually used to divide the pipe system into four different directions to achieve the diversion of the medium.

Threaded Coupling

The threaded coupling is a simple but important pipe connection fitting. Its main structure is a hollow cylinder with threads inside. The threads at both ends of the couplings are usually of the same specification so that it can be connected to threaded pipes of the same diameter.

Threaded cap

A threaded cap is a pipe fitting used to close the end of a pipe. It is mainly composed of a cap body and a threaded part. The cap body is a hemispherical or flat-top structure with a hollow interior to fit the outer diameter of the pipe. The threaded part is located at the open end of the cap body and is usually machined with internal or external threads, depending on the thread type of the pipe or pipe fitting it matches.

Threaded Nipple

A nipple, as the name implies, is a short tube with threads on both ends. Depending on the type of thread, it can be categorized into various forms, such as double male nipple with male threads on both ends, or male and female nipple with male threads on one end and female threads on the other.

Threaded Bushing

A bushing, also known as a buchen or reducer, is a type of tubing used for connecting different sizes of threaded fittings. It has a female thread on one end and a male thread on the other, and is used to convert between large and small diameters by matching the internal and external threads.

Threaded Plug

Plugs are threaded pipe fittings used to close off the end of a pipe or an unused connection. They come in two main forms, caps, which are usually used to close off the outside of a pipe, and plugs, which are usually used to close off the inside threads or ports of a pipe.

You can get an offer for products in below material forms:

-Pipe and Tube (EN 10216-5, ASTM A213, ASTM A249, A312, A790,)

-Forged Fitting and Flange (ASTM A182 , ASTM A105,ASTM B564 )

-Butt Weld Fittings (ASTM A234, ASTM A403,ASTM A815)

-Round bar , Billet (ASTM A276, ASTM A479)

– Plate, Sheet, Strip(ASTM A240, EN 10028-7, A480)

-Bolting, Nuts（ASTM A193, A194, A320）

The post ASTM A105 Threaded Fittings Order appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Forged fittings are produced through forging processes, where forging machinery applies pressure to metal billets, causing plastic deformation to achieve pipe fittings with specific mechanical properties, shapes, and dimensions. Depending on the type and requirements of the fittings, forged fittings are primarily manufactured using die forging, free forging, and machining processes. They are typically used in small-diameter (NPS ≤ 4″) high-pressure systems and are primarily classified by connection method into socket weld fittings and threaded fittings.

Understanding Class 3000 and Class 6000

The “Class” designation indicates the maximum pressure the fitting can safely withstand at a given temperature, typically at room temperature. The numbers (3000 and 6000) roughly correspond to the maximum pressure in pounds per square inch (psi) the fitting is designed for. Sometimes, these classes are abbreviated as “3M” and “6M,” where “M” stands for 1000.

Specifications of Forged Fittings:

Manufacturing Standards

Class 3000/6000 forged pipe fittings must strictly adhere to a series of manufacturing standards. Common standards include ASME B16.11, which provides detailed specifications for the types and designations, pressure ratings, connection sizes, shapes and tolerances, materials, manufacturing, heat treatment, inspection and testing, and marking requirements for forged socket weld and threaded pipe fittings. In terms of material selection, the standards cover a variety of materials, including carbon steel, alloy steel, and stainless steel. Different materials are suitable for different working environments; for example, carbon steel is commonly used in general industrial piping systems, while stainless steel performs exceptionally well in piping systems requiring corrosion resistance.

Additionally, standards such as GB/T 14383, MSS – SP – 79, MSS SP – 83, MSS SP – 95, MSS SP – 97, and BS 3799 impose constraints on the production and manufacturing of forged pipe fittings from various perspectives to ensure the stability and reliability of product quality, thereby meeting the stringent requirements of various industrial sectors for the quality and performance of pipe fittings.

Class 3000 / 6000 Socket Weld Fittings

Class 3000/6000 socket weld fittings are a type of high-strength forged connection components designed for high-pressure, small-diameter pipeline systems. Their key feature is the use of socket welding to connect to pipelines, offering excellent sealing performance and structural strength. They are widely applied in industries such as petroleum, natural gas, chemicals, power generation, shipping, and high-temperature, high-pressure systems. The socket welding structure allows the pipeline to be inserted into the fitting’s port to form a weld, simplifying welding operations while effectively preventing leaks. This makes them ideal for pipeline systems subject to frequent vibration and impact.

Types of Socket Weld Fittings

Socket Weld Cap

Socket Weld Elbow

Socket Weld Tee

Socket Weld Cross

Socket Weld Coupling

Socket Weld Union

Socket Weld Fittings Dimensions

Class 3000 / 6000 Threaded Fittings

Class 3000/6000 threaded fittings are forged connectors designed for high-pressure, small-diameter pipeline systems, connecting to pipelines or equipment via internal or external threads. These fittings require no welding, making them easy to install and dismantle, and are particularly suitable for flammable, explosive, or frequently maintained environments such as petroleum, natural gas, chemical, and power plant industries. Threaded pipe fittings offer excellent sealing performance and pressure resistance, making them critical connection components in high-temperature, high-pressure, and corrosive environments.

Types of Threaded Fittings

Threaded Elbow

Threaded Tee

Threaded Cross

Threaded Coupling

Threaded Cap

Threaded Union

Threaded Nipple

Threaded Hex Nipple

Threaded Swage Nipple

Threaded Plug

Threaded Bushing

Threaded Fittings Dimensions

Material & Grades of Threaded Flanges :

Carbon Steel Threaded Flanges :
Carcon Steel: ASTM A105 / A105N,ASTM A350 LF2 / LF3, A694 F42 / 46 / 52 / 56 / 65 / 70

Alloy Steel Threaded / Screwed Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Stainless Steel Threaded Flanges :
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel Threaded Flanges :
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Copper Alloy Steel Threaded Flanges :

 ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel Alloy Threaded Flanges :
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No.N10276), Alloy 20 (UNS No. N08020)

Quality Control and Testing

We adhere to a rigorous quality management system to ensure that every threaded pipe fitting meets international standards:

Material Testing (PMI Material Spectral Analysis)

Dimension Tolerance Inspection (Thread Gauges, Go/No-Go Gauges)

Pressure Testing (Hydrostatic/Pneumatic)

Mechanical Property Testing (Hardness, Tensile Strength, Impact Resistance, etc.)

Surface Treatment (Acid Washing, Sandblasting, Anti-Rust Oil)

Third-Party Inspection Reports Available (SGS, BV, TÜV)

Applicable industries

Oil & Gas Industry

Chemical and Fine Chemical Plants

LNG / Cryogenic Engineering

Energy & Power (Thermal, Nuclear)

Food & Pharmaceutical Machinery Piping Systems

Offshore Platforms & Offshore Equipment

You can get an offer for products in below material forms:

-Pipe and Tube (EN 10216-5, ASTM A213, ASTM A249, A312, A790,)

-Forged Fitting and Flange (ASTM A182 , ASTM A105,ASTM B564 )

-Butt Weld Fittings (ASTM A234, ASTM A403,ASTM A815)

-Round bar , Billet (ASTM A276, ASTM A479)

– Plate, Sheet, Strip(ASTM A240, EN 10028-7, A480)

-Bolting, Nuts（ASTM A193, A194, A320）

Class 3000 / 6000 Forged Fittings Exported Countries

We Export Class 3000 / 6000 Forged Fittings to Saudi Arabia, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen , Syria, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Cambodia, Argentina, Bolivia, Brazil, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States Of America, Canada, Mexico, Panama, Jamaica, Bahamas, Denmark, Norway, Germany, France,Italy, United Kingdom, Spain, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Finland, Ireland, Croatia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan,  Europe, Africa, Asia, North America, South America, Middle East.etc

The post Class 3000 / 6000 Forged Fittings appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Socket weld fittings are widely used in various industries, such as petroleum, chemical, pharmaceutical, water treatment and other industrial fields, as well as pipeline connections in buildings and other structures.

ASME B16.11 Socket Weld Fittings Specification

Types of Socket Weld Fittings

Socket Weld Fittings types include Elbow, Tee, Cross, Coupling, Union, Cap .

Socket Weld Elbow:

The socket elbow is used to change the direction of the pipeline, with different angles such as 90 degrees, 45 degrees, and 180 degrees. In the pipeline system, choosing a socket elbow with a suitable angle according to the actual layout requirements can enable the pipeline to bypass obstacles smoothly or achieve connections in different directions.

Socket Weld Tee​

Socket tee: Socket tee is divided into straight tee and reducing tee. The three interfaces of the straight tee are perpendicular to each other, which is used to divide a main pipe into two branches or merge two branches into one main pipe; the interface of the reducing tee has a certain angle, which is suitable for some special angle branch connections.

Socket Weld Cross​

The socket cross is used to connect four pipelines. Compared with the tee, it can achieve more complex pipeline connections and medium flow control. In some large chemical plants or municipal pipe networks, the socket cross can connect multiple pipeline systems together to achieve flexible transportation and deployment of the medium. ​

Socket Weld Coupling

The coupling is a pipe fitting used to connect two pipes, usually made of metal or plastic. Its structural characteristics are that one end is a socket and the other end is a spigot.

Socket Weld Cap

A pipe cap is a ASME B16.11 socket weld pipe fitting used to close the end of a pipe. It has a simple structure, one end is open and is used to be put on the end of the pipe, and the other end is a closed end.

Socket Weld Union

A union is a pipe connector that can be easily disassembled and assembled, consisting of a male connector, a female connector and a sealing gasket.

Tolerance for Socket Weld Fittings

Common Materials for Socket Weld Fittings

Carbon steel Socket Weld Fittings:

ASTM A105 / A105N,ASTM A350 LF2 / LF3, A694 F42 / 46 / 52 / 56 / 65 / 70

Carbon steel is one of the most common manufacturing materials, widely used in general industrial piping and civil water supply and drainage piping due to its lower cost and higher strength. In petrochemical, electric power, metallurgy and other industries, carbon steel socket pipe fittings can be used to transport water, steam, oil and other media. For example, in the ordinary factory cooling water piping system, carbon steel socket elbow, tee and other fittings can effectively connect the various sections of piping to ensure the smooth transportation of cooling water.

Stainless Steel Socket Weld Fittings:

A182 F304/304L/304H – F316/316L – F317 – F310S – F321 – F347 – F904L

Stainless steel has excellent corrosion resistance, high temperature resistance and sanitary properties, suitable for occasions with high corrosion resistance requirements, such as food and beverage, pharmaceutical, chemical and other industries. In the food processing workshop piping system, stainless steel socket fittings can ensure that the transported materials are not contaminated; in chemical production, stainless steel socket fittings can resist the erosion of corrosive media, to protect the piping system for long-term stable operation.

Alloy Steel Socket Fittings:

Alloy Steel: ASTM A182 F5 / F9 / F11 / F12 / F22 / F91 / F92

Alloy steel by adding different alloying elements, with high strength, high toughness, high temperature resistance, low temperature resistance and other special properties, commonly used in high temperature, high pressure, high corrosive and other harsh conditions. In the petroleum refining hydrogenation device, natural gas transmission of high-pressure pipeline system, alloy steel socket fittings with its good overall performance, can effectively withstand high temperatures, high pressures and medium corrosion, to ensure the safe operation of the pipeline system.

Applications of Socket weld Fittings

Building water supply and drainage system: widely used in residential and commercial buildings for hot and cold water supply piping, as well as internal drainage and sewage piping.

Chemical and petrochemical industry: in the transportation of corrosive fluids or high sealing requirements of the pipeline, stainless steel, alloy steel socket weld fittings are particularly common, especially in small diameter instrumentation pipelines and high-pressure systems.

Municipal engineering: used in urban water supply, sewage and rainwater pipe network.

Fire-fighting system: socket threaded or socket welded fittings are commonly used in fire-fighting water pipelines to ensure the reliability of the connection.

Power industry: socket weld fittings are also used in circulating water, desulphurization pipelines and all kinds of auxiliary pipelines in power plants.

Agricultural irrigation: PVC, PE and other plastic socket weld fittings are widely used in agricultural irrigation systems due to their cost-effectiveness and easy installation.

The post Socket Weld Fittings Types and Applications appeared first on Quality Manufacturer of Industrial Pipe Fittings.

Threaded pipe fittings are components used to connect, control, or change the direction of fluid flow in a piping system using screw threads. They provide a secure, leak-resistant connection without welding, making them easy to install and remove.

Stainless Steel Threaded Pipe Fittings Near Me

Easy Installation & Maintenance – Can be assembled and disassembled without welding, ideal for temporary or frequently modified systems.

Leak-Resistant Design – Tapered threads (e.g., NPT, BSPT) create a tight seal to prevent leakage.

Durable & Versatile – Available in various materials for different pressure and temperature conditions.

Wide Range of Applications – Used in water, gas, steam, oil, chemical, and industrial piping systems.

Why is 316 stainless steel so expensive?

1. Higher Nickel Content

316 stainless steel contains more nickel (10-14%) compared to 304 (8-10.5%).

Nickel is a valuable metal, and its price fluctuates based on global supply and demand.

More nickel enhances corrosion resistance and durability but increases cost.

2. Addition of Molybdenum (2-3%)

Molybdenum (Mo) is the main cost-driving element in 316 stainless steel.

Molybdenum significantly improves resistance to chlorides, acids, and harsh environments.

This makes 316 ideal for marine, chemical, and medical applications, but molybdenum is an expensive alloying element.

3. More Complex Manufacturing Process

316 stainless steel requires more precise alloying and refining to achieve its superior corrosion resistance and mechanical properties.

The presence of molybdenum makes melting, processing, and machining more difficult, increasing production costs.

Special heat treatments are needed to maintain structural integrity.

4. Higher Durability & Longevity

316 lasts longer than 304 in extreme conditions, reducing maintenance and replacement costs.

It is commonly used in marine, chemical, and industrial environments where failure could be catastrophic.

The long-term benefits justify the higher upfront cost.

What is ASTM standard stainless steel fittings?

ASTM Standards for Stainless Steel Pipe Fittings

The ASTM (American Society for Testing and Materials) establishes standards for materials, testing, and manufacturing processes to ensure quality, durability, and safety in stainless steel fittings.

1. Common ASTM Standards for Stainless Steel Pipe Fittings

2. Types of Stainless Steel Fittings Covered Under ASTM Standards

Butt Weld Fittings (ASTM A403) – Used for permanent welded connections.

Forged Fittings (ASTM A182) – Includes socket weld & threaded fittings for high-pressure applications.

Cast Fittings (ASTM A351) – Made using casting methods for corrosion-resistant environments.

Seamless & Welded Pipe Fittings (ASTM A312, A269) – Used in piping systems requiring high strength and corrosion resistance.

316 Stainless Steel Threaded Pipe Fittings Specification

Size: 1/8″ to 4″ / DN6 to DN100

Pressure: 3000 LB, 6000 LB, 9000 LB

Stainless Steel: ASTM A182 F304, F316, F317, F321, F310

Duplex Stainless Steel: ASTM A182 F51, F53, F55

Product: 90 Degree Elbow, 45 Degree Elbow, Coupling, Tee, Union, Cross, Cap.

ASME SA182 F316 Forged Threaded Fittings Chemical Composition

ASTM A182 SS 316 Forged Steel Fittings Mechanical Properties

What is the difference between 304 and 316 stainless steel fittings?

Corrosion Resistance

304 Stainless Steel:

Good corrosion resistance but less resistant to chlorides and acidic environments.

Suitable for indoor and mild outdoor environments.

316 Stainless Steel:

Superior corrosion resistance, especially against saltwater, chemicals, and acids.

Ideal for marine, chemical, and pharmaceutical applications.

Strength & Durability

Both 304 and 316 have similar mechanical strength, but 316 is slightly stronger due to its higher nickel content and molybdenum addition.

316 is slightly harder and more resistant to wear and tear, making it ideal for extreme environments.

Cost Comparison

316 Stainless Steel is more expensive than 304 due to its molybdenum and higher nickel content.

304 is a cost-effective choice for general-purpose applications.

Which One Should You Choose?

Choose 304 if:
✅ Cost is a major factor.
✅ Application is in mild environments (indoor, food-grade, general plumbing).
✅ Exposure to chlorides, saltwater, or chemicals is minimal.

Choose 316 if:
✅ Application involves saltwater, harsh chemicals, or extreme temperatures.
✅ Used in marine, pharmaceutical, chemical, or industrial settings.
✅ Long-term durability and superior corrosion resistance are required.

Stainless Steel Pipe Threaded Fittings Pressure Ratings

Common Types of SS 316 Threaded Fittings

Elbows (90° and 45°) – Used to change pipe direction.

Tees – Allow branching of the pipeline.

Couplings – Connect two pipes together.

Unions – Provide easy disconnection for maintenance.

Bushings – Reduce pipe size.

Nipples – Short sections of threaded pipe.

Caps & Plugs – Seal pipe ends.

Crosses – Four-way connection.

What is threaded vs tapered?

When discussing threaded pipe fittings, the terms threaded and tapered often come up. The main distinction lies in how the threads are cut and how they seal.

1. Threaded Threads (Parallel or Straight Threads)

Definition: The thread diameter remains the same from end to end.

Seal Type: Requires a gasket, O-ring, or thread sealant to prevent leaks.

Common Thread Types:

BSPP (British Standard Pipe Parallel)

UN/UNF (Unified National Fine)

ISO Metric Parallel Threads

Example Use Cases: Hydraulic fittings, mechanical joints, low-pressure applications.

Example: A BSPP (British Standard Pipe Parallel) fitting relies on a washer or O-ring for sealing.

2. Tapered Threads

Definition: The thread diameter gradually decreases along the length of the fitting.

Seal Type: Forms a mechanical seal by wedging the threads together, often with PTFE tape (Teflon) or thread sealant.

Common Thread Types:

NPT (National Pipe Thread, Tapered) – U.S. Standard

BSPT (British Standard Pipe Tapered)

ISO Tapered Threads

Example Use Cases: Plumbing, gas, steam, and high-pressure applications where a tight, leak-resistant connection is required.

Example: A NPT (National Pipe Taper) fitting creates a seal as the threads tighten, making it leak-resistant.

3. Key Differences Between Parallel (Threaded) & Tapered Threads

4. How to Identify Tapered vs. Parallel Threads

✅ Look at the thread profile: If the diameter changes from one end to the other, it’s tapered.
✅ Check the sealing method: If it requires a washer or O-ring, it’s parallel; if it tightens into a seal, it’s tapered.
✅ Use a thread gauge: This can confirm whether the thread profile is parallel or tapered.

You can get an offer for products in below material forms:

-Pipe and Tube (EN 10216-5, ASTM A213, ASTM A249, A312, A790,)

-Forged Fitting and Flange (ASTM A182 , ASTM A105,ASTM B564 )

-Butt Weld Fittings (ASTM A234, ASTM A403,ASTM A815)

-Round bar , Billet (ASTM A276, ASTM A479)

– Plate, Sheet, Strip(ASTM A240, EN 10028-7, A480)

-Bolting, Nuts（ASTM A193, A194, A320）

316 stainless steel threaded pipe fitting Exported Countries

We Export 316 stainless steel threaded pipe fitting to Saudi Arabia, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen , Syria, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Cambodia, Argentina, Bolivia, Brazil, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States Of America, Canada, Mexico, Panama, Jamaica, Bahamas, Denmark, Norway, Germany, France,Italy, United Kingdom, Spain, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Finland, Ireland, Croatia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan,  Europe, Africa, Asia, North America, South America, Middle East.etc

The post Forged Fittings – 316 Stainless Steel Threaded Pipe Fitting appeared first on Quality Manufacturer of Industrial Pipe Fittings.