... steel tube standard: ASTM/ASME,API,DIN,JIS,BS,SAE OD: 16MM- OD426MM Thickness: SCH10,SCH20,SCH40,SCH80 seamless steel ... years.Vanish coating, end cappedSize: OD 16MM- OD426MMThickness: SCH10,SCH20,SCH40,SCH80,SCH160, ... according to customers requestPacking: bundle Seamless steel pipe Material20# 16Mn StandardGB/T8162GB/T8163GB/ ...