What is A234 WPB Steel pipe fitting?

2016-02-26 15:35:16 Market news / News

What is A234 WPB Steel pipe fitting?

A234 WPB steel pipe fittings mean the pipe fitting which material is ASTM A234 WPB , they are used for the pressure piping systems of聽moderate and high temperature services.聽 ASTM A234 is the standard of pipe fittings material , it indicates the materials properties of different kinds of carbon steel and alloy steel, WPB is one of the steel grade in this standard 聽.聽W means weldable, P means pressure, B is grade b ,refer to the minimum yield strength , like the astm A106 聽A53, Gr.B or API 5L Gr.B.聽聽聽A234 WPB is the most common carbon steel pipe fittings聽material . (ASTM A234 A234M Standard Specification)

A234 WPB pipe fittings are butt welding ends , commonly used to be welded with the steel pipes of A106, A53, GR.B material, or API 5L GR.B material.

Chemical Composition (%) of聽ASTM A234 WPB

Grade C Mn P S Si
WPB 0.3 0.29-1.06 0.05 0.058 0.1min
Grade Cr Mo Ni Cu V Nb
WPB 0.4 0.15 0.4 0.4 0.08 0.02

Mechanical properties of聽ASTM A234 WPB

Item Tensile Strength (KSI) Yield Strength (KSI)
WPB 60 35
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a234-wpb-steel-pipe-fittings

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Type of the ASTM A234 WPB steel pipe fittings :
The regular products of A234 WPB pipe fittings are elbows, tees, reducers, caps, cross .聽聽聽There are seamless and ERW A234 WPB pipe fittings, 聽the seamless A234 WPB pipe fittings means the fittings are made from the 聽seamless steel pipes, 聽ERW means the fittings are made from ERW steel pipes .聽 Welded A234 WPB pipe fittings mean the large sizes fittings which are pieces welded from steel plates.
Manufacturing process of 聽ASTM A234 WPB steel pipe fittings:
The process of A234 WPB pipe fittings manufacturing is called 鈥渨rought鈥 which means it could be casted or forged . 聽Usually 聽the ASTM A234 WPB elbows , tees, reducers聽聽are made from聽steel pipes , the caps are made from plates. 聽 But the large sizes pipe fittings are commonly manufactured in pieces and welded together .
(Manufacturing process of the steel pipe fittings)
(Manufacturing video of the steel pipe fittings)
Hebei haihao Group has more than 20 years experiences in ASTM A234 WPB steel pipe fittings manufacturing , we can supply all the range of the fittings including the elbows ,tees, reducers, and caps of high quality , soon delivery.