GB-T-5310-20G-Steel-Pipe-Specification

Carbon Steel Pipe and Alloy Steel Tube Manufacturers and SuppliersGBT 5310 20G Steel Pipe SpecificationGB/T 5310 20G is a seamless carbon steel pipe containing 0.17-0.23 carbon and 0.35-0.65 manganese,which is mainly used for boilers,pipelines at high pressure and above,andother high-temperature pressurized equipment.The steel number is U50207.女Manufacture ProcessHot-finished seamless (W-H);Cold-finished seamless (W-C);Chemical CompositionChemical composition by mass%GradeSiMn20G0.17-0.230.17-0.370.35-0.650.025max0.015mxMechanical PropertiesTensile propertiesImpact propertiesHardnessGradeMinimum elongation AMinimum impact energy KVz,JTensile strength Rm,Minimum upper yield strength RatMPaHBWor proof strength RMPaLongitudinalTransverseLongitudinalTransverse20G410-550245242227125-160125-170Delivery ConditionGradeHeat treatment requirements20GNormalizing:Normalizing temperature 880C-940C.Learn more:GB/T 5310 20G Seamless Steel Tubes SpecificationWhatsApp:008613463768992 Email:sales@botopsteelpipes.com Website:www.botopsteelpipes.com