We produced forged steel fittings in accordance with ASME B16.11. The B16.11 standard covers pressure-temperature ratings, dimensions, tolerances, marking, and material requirements for forged carbon and alloy stainless steel. The chemical and mechanical property requirements are conform to ASTM A105, A182 or A350.

Standard for Stainless Steel Socket Weld Fittings

Forged stainless steel material conforms to ASTM A182

Forged steel fitting dimensions conform to ASME B16.11

Socket weld fittings conform to ASME B16.11

Forged socket weld union conform to MSS SP-83

Stainless steel outlets conform to MSS SP-97

Forged Stainless socket weld inserts conform to MSS SP-79

Socket Weld Fittings

SS Socket Weld Elbow

Socket weld elbow can make 45 degree and 90 degree changes the direction in the flow of pipe. You do not need to do bevel weld preparation for pipes. They have same function with threaded fittings.

Stainless Steel Socket Weld Coupling

Socket weld coupling is meant to joint a pipe into a recessed area of valves, fittings and flanges. Full coupling is usually to joint pipe to pipe or nipple, while half coupling is a combination of provision. We can join one end by welding and other side of with socket weld. They are available in various of sizes, thickness, pressure ratings according to customer’s requirements.

SS Socket Weld Cross

Socket weld cross can makes 90 degree branch from the main run of pipe.It is used to change the direction of the line in the piping system.

Stainless Steel Socket Weld Tee

Socket weld tee are mainly forming by the round steel or ingot molding forging, and then machined to be a high-pressure pipeline connection accessories. If the branch diameter is same as run pipe, we call it as SW Equal Tee. Otherwise, it is Socket Weld Reducing Tee.

SS Socket Weld Cap

Socket weld cap is meant to insert a pipe into cap and weld for sealing the pipe end. Same function as threaded plug and blind flange.

Socket Weld Reducing Inserts

Socket weld reducing inserts comply with MSS SP-79 standard. They can make any combination of pipe line reductions quickly and economically.

Difference Between Stainless Steel and Galvanized Steel

Stainless steel has chromium melted into it. This chronium makes it resistant to rust for long time.

Galvanized steel has a coating of zinc on the surface only. Galvanized can be either hot or cold. Hot dipped is where they dip the part into molted zinc. Cold galvanizing is typically done in the field. Cold galvanizing is similar to painting.

Comparing the cost, galvanized steel is cheaper than stainless steel. But the service lift is not longer as stainless steel.

Stainless Steel Socket Weld Fittings VS Cast Fittings

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5 Characteristics for Stainless Steel BSP Fittings

Corrosion Resistance 

The most well-known advantage of stainless pipes fittings & flanges is their ability to hold up against corrosion, endure extreme temperatures. It is best choices to use them in corrosive environments.

Appearance 

Exposed stainless steel threaded fittings are an excellent choice for commercial establishments as the material has a naturally shiny and elegant look.

Easy Installation

No need to do beveling preparation. Just screw the pipes into fittings sine they are light. But make sure the threads are same, otherwise, that may leak up the gas.

Low Cost 

When you use stainless steel pipe fittings, it will last your business for many years. It is cheap because the size is small which below 4 inch. And low-maintenance due to its corrosion-resistant properties. You may no need to replace them for decades.

High Strength

Compared with mild steel, stainless steel have higher tensile strength. The duplex stainless steel have higher tensile strength than austenitic steel.

There are some many benefits for stainless steel BSP fittings, so please come to buy from us!

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With excellent performance, customers demanded stainless steel pipe fittings in various industries. We stock plenty of SS 304, SS 316 butt weld fittings in regular sizes, keep abreast of the schedule of ship, that’s why we always deliver the goods to you in time.

Stainless Steel Buttweld Fittings Exporters

Stainless Steel Buttweld Fittings Dimensions

ASME B16. 9 Standard

It is the most common used specification standard for Factory-Made Wrought Buttwelding Fittings. It covers the requirements for dimensions, tolerances, ratings, testings and markings.

Buttwelding Fittings Catalogue

• To Change Directions

Butt Weld Elbows are used to connect two pipes with same or different nominal diameters, and to make the pipe turn to a certain direction of 45 degree or 90 degree.

Types: 90 Degree Elbow, 45 Degree Elbow, 180 Degree Elbow. Stainless Steel Pipe Bend

• To Provide Branches

Butt Weld Tees are used to join three different pipes forming a junction. It is normally called as “3-way fitting”. It symbolizes an alphabet “T” which include two inlets and single outlet.
There are two types that Equal Tee and Reducing Tee.

• To Block Pipeline

Butt Weld Caps are used to weld and block end of pipeline. We call it as Pipe Cap and End Cap.

• To Reduce Pipe Dimensions

Butt Weld Reducers are connected with pipes in different diameters.
Concentric Reducer, Eccentric Reducer, Reducing Elbow

• To Use With Flanges

Lap Joint Stub Ends are used in combination with a lap joint flange to make flanged connections.

ASTM Stainless Steel Grades

Stainless Steel Pipe Fittings

Package of Stainless Steel Buttweld Fittings

We marked all Stainless Steel Buttweld Fittings with Grade, Lot No, Size, Standard and Schedule Thickness. The workers wrapped Stainless Steel Pipe Fittings with film individually. For the small diameter pipe fittings, we will pack them into wooden cases in the end, and use pallets to pack large diameter pipe fittings.

Package of Stainless Steel Pipe Fittings

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.

Inspection of Stainless Steel Equal Tee

Visual the surface of stainless steel equal tee fittings body.

Check the marking.<2″ SCH40S ASTM A403 WP316 ASME B16.9 ZZ155>

Measure dimensions. Such as outside diameter, height from end to end, wall thickness.

Buttweld Fittings vs Socket Weld Fittings

• Standard

ASME B16.9 for buttweld fittings
ASME B16.11 for socket weld fittings

• Dimensions

BW : 1/2″ to 48″

SW: 1/8″ to 4″

• Manufacturing

BW: Hot Forming

SW: Forging

• Price

Normally, the price of socket weld fittings is higher than butt weld fittings in similar size. But the extra cost of butt weld is higher for installation, considering labor cost and skilled welder.

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