What are ASTM A234 WP9 pipe fittings?

ASTM A234 WP9 steel pipe fittings mean the pipe fittings which material is ASTM A234 WP9,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of pipe fittings material,it indicates the materials properties of different kinds of carbon steel and alloy steel,WP9 is the steel grade.ASTM A234 WP9 pipe fittings contain elbows,tees,reducers,caps,cross etc.

Chemical Composition (%) of ASTM A234 WP9

Grade C Mn P S Si Cr Mo
WP9 ≤0.15 0.3-0.6 ≤0.03 ≤0.03 ≤1 8-10 0.9-1.1

Mechanical properties of ASTM A234 WP9

Item Tensile Strength KSI(MPa) Yield Strength KSI(MPa)
WP9 Class1 60-85(415-585) ≥30(205)
WP9 Class3 75-100(520-690) ≥45(310)

Type of the ASTM A234 WP9 steel pipe fittings:

There are seamless and welded A234 WP9 pipe fittings,the seamless A234 WP9 pipe fittings are manufactured from seamless steel pipes A335 P9,welded A234 WP9 pipe fittings mean they are made from welded pipes or steel plates.

Manufacturing process ofASTM A234 WP9 steel pipe fitting:

The manufacturing process of A234 WP9 pipe fittings manufacturing is called “wrought” which means it is casted or forged.Usually the ASTM A234 WP9 elbows,tees,reducers are made from steel pipes,the caps are made from plates.But the large sizes pipe fittings are commonly manufactured in pieces and welded together.

Hebei Haihao Group has more than 30 years experiences in ASTM A234 WP9 steel pipe fittings manufacturing,we also can manufacture other pipe fittings,such as ASTM A234 WP5 pipe fittings,ASTM A234 WP11 pipe fittings,ASTM A182 F51 pipe fittings,ASTM A182 F347H pipe fittings,ASTM A420 WPL6 pipe fittings etc.

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