DIN-17177-St37.8-Steel-Pipe-Specification

Carbon Steel Pipe and Alloy Steel Tube Manufacturers and SuppliersDIN 17177 St37.8 Steel Pipe SpecificationDIN 17177 St37.8 is a welded carbon steel pipe manufactured by the electric resistance welding(ERW)or induction welding process,with a tensile strength of 360-480 MPa and a yieldstrength of 235 MPa minimum,and is commonly used in high-temperature and high-pressureenvironments such as boilers,pipelines,and pressure vessels.The steel number is 1.0315.女Chemical ComponentsChemical composition in by massGrade7MnPMo5t37.80.17 max0.10-0350.40-0.800.040max0.040maxMechanical PropertiesTensile RequirementTensile strengthYield point for wall thickness up to 16 mmElongation,%minGradeMpaMpalongitudinaltransverseSt37.8360-4802352523◆Minimum 0.2 yield limit of heat-resistant steels at elevated temperaturesMinimum 0.2%yield limit of heat-resistant steels at elevated temperatures0.2%-yield limit atWall thicknessGrade200℃250℃300℃350℃400℃450℃500℃mmMPa,min5t37.8≤16185165140120110105■Ring Expanding TestExpansion in ring expanding test (provisional data)for diameter ration d/d.Grade20.920.8<0.9207<0.8≥0.6<0.720.5<0.6<0.5%min5t37.881012202530Learn more:DIN 17177 St37.8 Carbon Steel Pipe SpecificationWhatsApp:008613463768992 Email:sales@botopsteelpipes.com Website:www.botopsteelpipes.com