... ,10CrMo910,12CrMo195 and so on.3)Pipe according to standard: ASTM.DIN,BS,GB,API5L,API5CT.4)Packing: By bundles, ... A53/A106, DIN1629, JIS G3454, JIS3466A, B, X42, X46, X52, X56, X60, X65, X70, St37,ST52Transmission of the petroleum, ... 45#, Q345, 20Mn2, 42CrMoUsed for producing mechanical parts and pipe fittingsHydraulic TubeGB1739635#, 45#, 27SiMn, 20CrMo4, 30CrMo4Mining machineryOil Cracking TubeASME ...