DIN-17175-St45.8-Steel-Pipe-Specification

Carbon Steel Pipe and Alloy Steel Tube Manufacturers and SuppliersDIN 17175 St45.8 Steel Pipe SpecificationDIN 17175 St45.8 is a seamless non-alloy steel pipe with a tensile strength of 410-530 MPaand a yield strength of 255 MPa minimum at wall thickness of s16 mm,commonly used in boilers,pipelines,pressure vessels and other high-temperature and high-pressure environments with amaximum operating temperature of up to 600 C.The steel number is 1.0405.DIN 17175 St45.8 permits the supply of tubes in both quality I and quality Ill.女Manufacture Process●Hot rolling seamless;Cold rolling seamless;Hot pressing seamless;Hot drawing seamless;Cold drawing seamless;女Heat TreatmentHardening and temperingGradeHot formingNormalizingHardening temperatureTempering temperature5t45.8between1100℃andB50C870-900℃女DimensionOutside diameter:10.2-660 mm;Wall thickness:1.6-65 mm;女Chemical ComponentsChemical composition in by massGradeMn5st45.8s0.210.10-0.350.40-1.200.0400.040Mechanical PropertiesYield point for wall thikkness in mmElongation at fracture (L=5d.)Impact strength (DVM specimens)Tensile strengthGrade516>16540>40560longitudinaltransversetransverseMpaMpa.min美mlnJ,min545.8410-5302552452352127WhatsApp:008613463768992 Email:sales@botopsteelpipes.com Website:www.botopsteelpipes.com