... and waterCylinder PipeGB1824834Mn2V, 37Mn, 30CrMo, 34CrMo4Raw material for producing cylinderBoiler TubeASME SA106, ASME SA210, ASME ... 15CrMoG, 12Cr1MoVGLow & medium & high pressure boiler header, steam pipe, heating pipeStructure PipeASTM A53/A106, GB8162A, B, 20#, 45#, ... Q345, 20Mn2, 42CrMoUsed for producing mechanical parts and pipe fittingsHydraulic TubeGB1739635#, 45#, 27SiMn, 20CrMo4, ...