Product parameters Product name seamless pipes, ERW pipe, DSAW pipes. Standard ASME B36.10M, API 5L, ASTM A312, ASTM A213. ASTM A269, etc Material Carbon steel: A106 GR B, A53 GR B,ASTM A333 GR 6 etc. Cr-Mo alloy: A335 P11, A335 P22, A335 P12, A335 P5, A335 P9, A335 P91,etc Pipeline st...
