DIN-17177-St42.8-Steel-Pipe-Specification

Carbon Steel Pipe and Alloy Steel Tube Manufacturers and SuppliersDIN 17177 St42.8 Steel Pipe SpecificationDIN 17177 St42.8 is a welded carbon steel pipe manufactured by the electric resistance welding(ERW)or induction welding process,with a tensile strength of 410-530 MPa and a yieldstrength of 255 MPa minimum,and is commonly used in high-temperature and high-pressureenvironments such as boilers,pipelines,and pressure vessels.The steel number is 1.0498.女Chemical ComponentsChemical composition in by massGrade7MnMo5t42.80.21ma×0.10-0.350.40-1.200.040max0.040maxMechanical PropertiesTensile RequirementTensile strengthYield point for wall thickness up to 16 mmElongation,%minGradeMpaMpalongitudinaltransverseSt42.8410-53025521◆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,min5t42.8≤16205185160140130125■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<0.5min5t42881012202530Learn more:DIN 17177 St42.8 Carbon Steel Pipe SpecificationWhatsApp:008613463768992 Email:sales@botopsteelpipes.com Website:www.botopsteelpipes.com