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 pipeProduct name15CrMo alloy steel pipeStandard GB JIS ASTM AISI DIN ectMaterialASTM A179 A 53 A106,Q235B, Q345B, Q345C, SAE1010,1020,1045, 12Cr1MoV,15CrMo, ASME SA 210C SA 213 T91,T11,T22,P11,P91,ectThickness1-100mmScheduleSCH5S, ...