... 6-610mm wall thickness1.5-40mm Material 10# 20# 45# 16Mn pipe steel1) Application: Petroleum,chemical,power, ... natural gas and waterCylinder PipeGB1824834Mn2V, 37Mn, 30CrMo, 34CrMo4Raw material for producing cylinderBoiler TubeASME SA106, ASME SA210, ASME SA213, ... 15CrMoG, 12Cr1MoVGLow & medium & high pressure boiler header, steam pipe, heating pipeStructure PipeASTM A53/A106, GB8162A, B, 20#, 45 ...