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ASME B16.9 Butt Welding Fittings Dimension

Views: 6     Author: Site Editor     Publish Time: 2023-11-15      Origin: Site

ASME B16.9Stainless steel butt weld pipe fittings   ASME-B16.9 Carbon Steel Butt-Weld Pipe Fittings

Butt welding pipe fittings are made from seamless pipes, welded pipes or steel plates. This type of pipe fittings covers a wide range of sizes and can be adapted to various design requirements of pipeline systems.Butt welding pipe fittings can be made from various materials such as carbon steel, low-temperature steel, pipeline steel, alloy steel, stainless steel, duplex stainless steel, etc.,which can be adapted to pipeline systems in different environments.Therefore, it is widely used in chemical, food, petroleum, natural gas, biopharmaceutical and other industries.

Common types of butt welding pipe fittings include 90 degree elbow, 45 degree elbow, tee, crosse, cap, concentric reducer, eccentric reducer, stub end, etc. The ASME B16.9 standard defines the size ranges for various types of butt welding pipe fittings.

Long Radius Elbow Dimensions

Butt welding elbow is the most commonly used to pipeline system.  It is a pipe fitting that changes direction in the pipeline system.

Size Rating:1/2”-48”

Wall Thickness:SCH10-SCH160、XXS


Short Radius Elbow Dimensions

Size Rating:1”-24”

Wall Thickness:SCH10-SCH160、XXS


Equal Tee And Equal Cross Dimensions

Butt welding tee is also a type of pipe fitting that is frequently used in the process of pipeline installation.  It is shaped like a T, and according to the diameter, it is divided into equal tee, reducing tee, and 45-degree lateral tee .

Size Rating:1/2”-48”

Wall Thickness:SCH10-SCH160、XXS


Reducing Tee And Reducing Cross Dimensions

Size Rating:1/2”X3/8”-48”X46”

Wall Thickness:SCH10-SCH160、XXS






Butt Welding Reducer Dimension:

Butt welding reducer has two different ends,one end is larger and the other end is smaller.Butt-welded reducer mainly plays the role of connecting pipes, converting large-diameter pipes to small-diameter pipes.Butt welding reducer usually has two types: concentric reducer and eccentric reducer.

Size Rating:3/4”X1/2”-48”X46”

Wall Thickness:SCH10-SCH160、XXS



Butt Welding Cap Dimensions:

Butt welding caps are generally used at the end of pipes to seal them.

Size Rating:1/2”-48”

Wall Thickness:SCH10-SCH160、XXS


Stub End Dimensions:

The stub ends are often used together with lap joint flanges to provide pipe connection and sealing;According to the stub end length divided into long types and short types.

Size Rating:1/2”-24”

Wall Thickness:SCH10S、SCH40S、SCH80S


Tolerance Of ASME B16.9 Butt Welding Fittings  

The dimensional deviations must be within the tolerance range specified in the standard.


Shanghai Zhucheng Pipe Fitting Manufacturing Co., Ltd. is a top supplier of pipe fittings. We can produce various materials of butt welding fittings, such as carbon steel, low-temperature carbon steel, pipeline steel, alloy steel, stainless steel, duplex stainless steel.

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