1 | | | supplies the steel pipe Specification: 219*10 168*10 273*7 299*10 325*8 325*9-10 377*10 426*12 530*18 Detail: Co***nies operated by the Seamless Steel Tube : # 10, # 20, # 35, # 45, 20G, Produce, DZ50, N80 alloy pipe : 16Mn, 35CrMo, N80, J55, K55, 27SinMn, 12CriMoV, 15CrMo, 10CrMo910, Super, A106B, A335P91, Cr5Mo, A335P11. WB36 15NiCu... |