ASTM A 234 WPB is the most common Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service in the world. The material sources could be steel pipe ASTM A106 or steel plate ASTM A285. The main chemical composition and mechanical properties is :

PRIME STEEL PIPE offers RL-90 degree elbow, RL-45 degree elbow, equal tee, rducing tee, cap, concentric reducer, excentric reducer strictly in accordance with the standard of ASTM A234 WPB. We have exported our quality carbon steel pipe fittings to Singapore, Nigeria, UAE etc.