On June 4, we received an inquiry from a Saudi Arabian customer regarding duplex stainless steel outlet. 

Duplex stainless steel socket weld outlet is used for 90 degree self-reinforcing branch accessory, and is suitable for small instrument connection or small branch pipe. 

We send offer by email and included price/weight/lead time/packaging, and send catalog and mill test certificate for customer. 

Same time we contact customer by customer to share some inspection picture for customer. 

On June 11, we received purchase order for customer and completed production in 15 days.

Types of MSS SP-97 Outlet

Duplex stainless steel outlet is a forged reinforced pipe fitting, mainly used for connect pipelines,especially in high-pressure,high-temperature,large-diameter,thick-walled pipelines,and has gradually replaced traditional branch pipe connection methods.

There are many types based on the piping connected methods that weldolet, thredolet, sockolet, latrolet, elbolet, nipolet, and flangolet. Why they are popular, because its outstanding advantages,such as safety, reliability,low cost and simple construction.

Common types include butt weld outlet, threaded outlet, socket weld outlet.

Material Grades of Duplex Stainless Steel

Duplex stainless steel fittings have better resistance to sea water than stainless steel grade 316 pipe fittings, and so as the mechanical properties.Common grades of duplex stainless steel include ASTM A182 F51,F53,F55,F60 etc.

Duplex stainless steels have roughly twice the strength compared to austenitic stainless steels and also improved resistance to localized corrosion, particularly pitting, crevice corrosion, and stress corrosion cracking. Moreover, they have improved toughness and ductility compared to ferritic SS.

ASTM A182 F51 is a high-strength and corrosion-resistant stainless steel material. It is a duplex stainless steel with a high Cr content and an appropriate amount of alloy elements such as Ni and Mo. These elements can form a strong corrosion-resistant layer to prevent the medium from corroding the material. The main characteristics of ASTM A182 F51 include corrosion resistance, excellent mechanical properties, weld ability and process ability.

Chemical Composition

Mechanical Properties

Advantage Duplex Stainless Steel Outlet

Safety

Reliability

Low cost

Variety types

Easy installation

Simple construction

Reliable connection

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Stainless steel socket weld outlet is widely used in pipeline systems. This article will provide a detailed introduction to the specification of stainless steel socket weld outlet.

MSS SP-97 is the production standard for American forged steel outlet. According to this standard, various types of outlet can be designed and manufactured. Stainless steel outlet including butt welded outlet, threaded outlet, socket outlet etc.

Stainless steel socket weld outlet is a forged and reinforced type of pipe fitting, which is molded and forged from round steel or steel ingots and then processed by lathe machine. It is mainly suitable for high-pressure pipelines that can withstand high pressure, equipment with precise size requirements, and other high-pressure fields. It is forged from high-quality stainless steel and can withstand high pressure and temperature, with excellent corrosion resistance, oxidation resistance, and high temperature resistance.

Specification of MSS SP-97 Stainless Steel Socket Weld Outlet

Dimension of Socket Weld Outlet

Weight List (KG)

Advantage of Stainless Steel Socket Weld Outlet

Socket weld outlet have multiple advantages in pipeline systems, making them an indispensable pipeline connection accessory in many industrial fields.

Easy and fast installation

Good sealing performance

Wide applicability

Strong bearing capacity

Easy to maintain and replace

Good economy

Environmental protection and energy conservation

How to Inspect of Stainless Steel Outlet

ZIZI ENGEERING CO LTD specializes in producing stainless steel socket weld outlet in accordance with the American standard MSS SP-97. We can supplied specifications ranging from 1/8 “to 4” and pressures of Class 3000 and 6000. Every pipe fittings of our products undergoes strict quality inspection before leaving the factory to ensure that every product received by customers is qualified.

Visual the surface of socket weld fittings body.

Measure dimensions that large end diameter, small end diameter, wall thickness of outlets.

Check the marking of 2.5″-2″ x 1/4″ Class 3000 ASTM A182 F316 MSS SP-97 ZZ724

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Outlets are usually connected to the main pipe by welding, while connections to branch pipes or other pipes (such as short pipes, plugs, etc.), instruments, and valves can be made in three types: welding, socket, or threaded connections. This diversified connection method enables branch pipe holders to adapt to different pipeline systems and installation requirements.

A threaded outlet is an efficient and reliable pipeline connection component widely used in various industrial pipeline systems. Its base is the same as weldolet, but the branch connection uses threaded connections and does not require welding. This design method makes the installation and maintenance process of threaded branch pipe holders more convenient and efficient, especially in environments or scenarios where welding operations are difficult, the advantages of threaded branch pipe holders are more obvious.

Dimension of ASTM A105 Threaded Outlet

The conventional threaded outlet diameter is between 1/8 inch to 4 inch; Common pressure levels include 3000LBS (SCH XS) and 6000LBS (SCH 160). The raw materials include various materials such as carbon steel, stainless steel, alloy steel, low-temperature steel, etc.

Material Characteristics

The ASTM A105 threaded outlet body is forged from high-quality carbon steel material, ensuring its strength and corrosion resistance, and can adapt to various harsh working environments. ASTM A105 is a material standard for carbon steel forgings for pipeline components developed by the American Society for Testing and Materials (ASTM). The chemical composition of ASTM A105 has strict regulations to ensure its specific physical and chemical properties.

Chemical Composition

In terms of mechanical properties, the ASTM A105 standard specifies key indicators such as tensile strength, yield strength, elongation, and impact toughness. These indicators ensure the reliability and durability of A105 steel in pipeline systems.

Mechanical Properties

In addition, the ASTM A105 standard also puts forward requirements for the surface quality of forgings, requiring them to be smooth and flat, without cracks, stains, and obvious surface defects. This strict control of surface quality helps to improve the sealing and safety of pipeline systems.

Application

ASTM A105 threaded outlet is mainly used for reinforcing branch pipe connections and can replace traditional branch pipe connection types such as reducing tees, reinforcing plates, and reinforced pipe sections. It has outstanding advantages such as safety and reliability, cost reduction, simple construction, improved medium flow channels, series standardization, and convenient design and selection. Especially in high-pressure, high-temperature, large-diameter, and thick walled pipelines, their use is becoming increasingly widespread, gradually replacing traditional branch connection methods.

Easy to install

High strength and durability

Sealability

Wide applicability

Reduce project costs

 MSS SP-97 Threaded Outlet

The ASTM A105 threaded outlet is manufactured according to the American standard MSS SP-97 production standard, which provides clear specifications for the design, manufacturing, and installation of threaded outlet, which is conducive to product interchangeability and universality, and improves the convenience of engineering design and construction. MSS SP-97 is the production standard for American standard forged branch pipe fittings. According to this standard, various types of branch pipe fittings can be designed and manufactured, such as butt welded outlet, threaded outlet, socket outlet etc. The MSS SP-97 standard also specifies the end types of export fittings, which should comply with the requirements of ASME B16.25 (butt welding ends) or ASME B16.11 (socket welding and threaded ends).

Overall, MSS SP-97 provides comprehensive and standardized guidance for the design and manufacturing of forged branch pipe sockets, ensuring their quality and performance, enabling them to play an important role in pipeline systems.

Dimension Of MSS SP-97 Threaded Outle

ASTM A105 threaded outlet Weight List

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