pipe steel Outer diameter 6-610mm wall thickness1.5-40mm Material 10# 20# 45# 16Mn pipe steel1) Application: Petroleum,chemical,power, ... the petroleum, natural gas and waterCylinder PipeGB1824834Mn2V, 37Mn, 30CrMo, 34CrMo4Raw material for producing cylinderBoiler TubeASME SA106, ASME SA210, ASME SA213, ASME ...