ASTM A234 WPB JIS SS400 Carbon steel Pipe Elbow What is A234 WPB steel pipe fittings? Haihao Pipe ...
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.W means weldable,P means pressure,B is grade b,refer to the minimum yield strength,like the astm A106 A53,Gr.B or API 5L Gr.B.A234 WPB is the most common ...