ASTM A106 Seamless Steel Pipe OD:13.7 -660mm WT:0.8 - 50mm Length: 0.3 -12m ... #, 16MN(Q345B)GB 5310: 20G, 12Cr1MoV, 12Cr1MoVG, 12CrMoGASTM A106: Gr A, Gr B, Gr CASTM A333: Gr 1, Gr 3, Gr ... , St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121API 5L: A B X42,X46, X52, X60, X65, X70, X80Size:Outer Diameter ...