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Carbon steel reducer ASTM A234 WPB concentric reducer 3in by 2in

A butt weld pipe fitting is designed to be welded on site at its end(s) to connect pipe(s) together and allow change in direction or pipe diameter, or branching or ending.

This fitting then becomes part of a system for transporting fluids (oil, gas, steam, chemicals, …) in a safe and efficient manner, over short or long distances.

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⇒A reducer allows⇐ for a change in pipe size to meet flow requirements or to adapt to existing piping. The length of the reduction is usually equal to the average of the larger and smaller pipe diameters. Reducers are typically concentric, but eccentric reducers can be used to maintain the same top of pipe or bottom of pipe level.

Grades in ASTM A234
ASTM A234 specification has many grades, such as WPB, WPC, WP5, WP9 WP11, WP12, WP22, WP91 and so on.

In these standard Grade WPB is the most common material used for medium and high temperature pipelines. W means weldable, P means pressure, B is grade b, refer to the minimum yield strength.

The source raw material of ASTM A234 WPB steel pipe fittings may be from steel pipe, such as ASTM A106 Gr.B and C. Also from steel plate, as ASTM A285 Gr.C, ASTM A516 Gr 70, ASTM A572 etc.

ASTM A234 WPB steel pipe fitting chemical and mechanical features
Grade WPB fittings made from the steel pipes or plates maximum C is 0.35%.

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