45# alloy steel pipes 1.Grade:6-50*25-300mm 2.Applications:oil pipe 3.certification:API alloy  steel  pipes1.GB5310 Seamless Steel Pipe For High Pressure Boiler2.GB6479High Pressure Seamless Pipe For Chemical Fertilizer Equipment3.GB9948Seamless steel tube for petroleum...

alloy seamless steel pipe 1.OD:1/2"---24" 2.WT:Sch10 --Sch160 3.Standard: GB ASTM JIS EN 4.Material: 16Mn A335 12Cr1MoVG  alloy seamless steel pipe1.OD:1/2"---24" 2.WT:Sch10 --Sch160 3.Standard: GB ASTM JIS EN 4.Material: 16Mn A335 12Cr1MoVG5.Payment:TT...

alloy seamless steel pipe OD: 13-330mm WT:6-25mm Standard: GB ASTM DIN JIS EN Material: 16Mn A335 .12Cr1MoVG alloy seamless steel pipe1StandardA210-C  St52.4   St52     DIN1629/4 DIN1629/3  A335-P11  A335-P22  A335-P52Material16Mn...

alloy seamless steel tubes OD:1/2"---24" WT:Sch10 --Sch160 Standard: GB ASTM DIN JIS EN Material: 16Mn A335 .12Cr1MoVG  alloy seamless steel tubes1StandardA210-C  St52.4   St52     DIN1629/4 DIN1629/3  A335-P11 ...

16Mn alloy seamless steel pipe OD:1/2"---24" WT:Sch10 --Sch160 Standard: GB ASTM DIN JIS EN Material: 16Mn A335 .12CrMo e 16Mn alloy seamless steel pipe 1StandardA210-C  St52.4   St52     DIN1629/4 DIN1629/3  A335-P11 ...

16Mn alloy seamless steel pipe OD:1/2"---24" WT:Sch10 --Sch160 Standard: GB ASTM DIN JIS EN Material: 16Mn A335 .12CrMo e 16Mn alloy seamless steel pipe1StandardA210-C  St52.4   St52     DIN1629/4 DIN1629/3  A335-P11 ...

Q235 alloy steel pipes 1.12Cr1MoVG seamless alloy steel pipe 2.OD:10-1260mm WT:1-60mm 3.material:P11,P12,P91 Q235  alloy steel...

alloy steel pipes 1.12Cr1MoVG seamless alloy steel pipe 2.OD:10-1260mm WT:1-60mm 3.material:P11,P12,P91 alloy steel pipesstandard:GB5310,GB6479,DIN17175,ASTM SA213,ASTM SA335,JIS G3458...

12Cr1MoVG alloy steel tubes 1.12Cr1MoVG seamless alloy steel pipe 2.OD:10-1260mm WT:1-60mm 3.material:P11,P12,P91 12Cr1MoVG  alloy steel tubes 1.Payment:TT and LC 2.the delivery time is 15 working days after received the deposit 3.Packing :standard packing or as...

alloy steel tubes 1.12Cr1MoVG seamless alloy steel pipe 2.OD:10-1260mm WT:1-60mm 3.material:P11,P12,P91,42CrMo,12Cr1MoVG alloy steel tubes12Cr1MoVG seamless alloy steel...