... seamless steel pipe Grade:ASTM A106, ASTM A335, DIN17175 as customized Size: 6-1020x1.5-100mm as customized Article: ASTM A106 seamless steel pipe ... for petroleum cracking processGB9948-200610,20,12CrMo,15CrMo10-530*1.5-364000-13500Hydraulic prop pipeGB/T17396-200920,35,45,27SiMn70-377 ... 40Cr, 45Cr,50Cr,38CrSi,12CrMo,15CrMo,20CrMo,6-1020*1.5-1003000-13500Fluid pipeGB/T8163-200810, 20,Q295,Q3458-630*1 ...