... 45# 16Mn pipe steel1) Application: Petroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etc2) Materials: 20#,35#,45 ... 12Cr1MoVGLow & medium & high pressure boiler header, steam pipe, heating pipeStructure PipeASTM A53/A106, GB8162A, B, 20#, ... , 20Mn2, 42CrMoUsed for producing mechanical parts and pipe fittingsHydraulic TubeGB1739635#, 45#, 27SiMn, 20CrMo4, 30CrMo4Mining machineryOil ...