DIN-1629-St37.0-Steel-Pipe-Specification

Carbon Steel Pipe and Alloy Steel Tube Manufacturers and SuppliersDIN 1629 St37.0 Steel Pipe SpecificationDIN 1629 St37.0 is a round seamless unalloyed steel tube containing a maximum of 0.17carbon and allowing for the addition of nitrogen-fixing elements.It has a tensile strength of 350-480 MPa and a yield strength of maximum 235 MPa at wall thicknesses of s 16 mm,and ismainly used in the construction of chemical plants,containers,pipelines,and in generalmechanical engineering,at operating temperatures of up to 300C.The steel number is 1.0254.◆Manufacture Process●Seamless女DimensionOutside diameter:10.2-660 mm;Wall thickness:1.6-65 mm;Chemical CompositionChemical composition%by massGradeN5t37.00.170.040.040.0090:A content in excess of the maximum value stated is permitted if a phosphorus content less than the maximum specified by 0.005%P per 0.001%N is abserved.However,the nitrogen content shall not exceed a value of 0.012%in the cast analysis and 0.014%in the product analysis.b:The specified maximum values do not apply if the steels are supplied with the RR (instead of R)type of deoxidization.Mechanical PropertiesUpper yield stress,ReHElongation after fracture,Afor wall thickness,in mm,Tensile strength,RmGrades16>16s40>40s65longitudinaltransverseMPa,minMPa%min5t37.0235225215350-4802523For cold finished tubes in the NBK condition,minimum values of tensile strength lower than these values by 10 MPa are permitted.Learn more:DIN 1629 St37.0 Seamless Unalloyed Steel Pipe SpecificationWhatsApp:008613463768992 Email:sales@botopsteelpipes.com Website:www.botopsteelpipes.com