S235J2H Seamless Steel Pipe Implementation Standards: EN10219/EN10210

The implementation standards of S235J2H seamless steel pipe mainly include EN10219 and EN10210, both of which are technical specifications for structural steel pipes formulated by the European Committee for Standardization (CEN). The following is a detailed analysis of S235J2H seamless steel pipe and its implementation standards:

Overview of S235J2H seamless steel pipe

S235J2H seamless steel pipe is a steel pipe with excellent mechanical properties and welding properties, which is widely used in construction, bridges, machinery manufacturing, petrochemicals and other fields. Its material meets the requirements of European standards EN10219 and EN10210, ensuring the quality and reliability of the product.

Analysis of EN10219 standard

The EN10219 standard is a technical specification for cold-formed welded structural hollow profiles, which is applicable to cold-formed structural hollow profiles without subsequent heat treatment. The standard specifies the size, shape, chemical composition, mechanical properties and other requirements of the product. For S235J2H seamless steel pipe, it should meet the requirements of EN10219 standard on chemical composition, mechanical properties, etc.

1. Chemical composition

The chemical composition of S235J2H seamless steel pipe mainly includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and other elements, and their content should meet the relevant provisions of EN10219 standard.

2. Mechanical properties

The mechanical properties of S235J2H seamless steel pipe include yield strength, tensile strength, elongation, etc. These indicators should meet the requirements of EN10219 standard. For example, for steel pipes with a wall thickness between 3mm and 16mm, the yield strength should not be less than 275MPa, the tensile strength should be between 410MPa and 560MPa, and the elongation should not be less than 20%.

EN10210 standard analysis

The EN10210 standard is a technical specification for hot-rolled structural steel bars, steel wires and profiles. The standard specifies the requirements for the dimensions, allowable deviations, materials and mechanical properties of hot-rolled structural steel. Although the EN10210 standard is mainly for hot-rolled pipe, it may also be applicable to seamless steel pipes in some cases, especially when seamless steel pipes are produced by hot rolling.

1. Dimensions and allowable deviations

The dimensions of S235J2H seamless steel pipes shall meet the requirements for the dimensions and allowable deviations of hot-rolled structural steel in the EN10210 standard. This includes the provisions for the diameter, length, cross-sectional dimensions of the steel pipe.

2. Material and mechanical properties

The material of S235J2H seamless steel pipes shall meet the requirements for the chemical composition and mechanical properties of steel in the EN10210 standard. This includes the content limits of carbon, manganese, phosphorus, sulfur and other elements in steel, as well as the provisions for mechanical properties such as tensile strength, yield strength and elongation.

Summary

The implementation standards EN10219 and EN10210 for S235J2H seamless steel pipes are both technical specifications for structural steel pipes developed by the European Committee for Standardization. These two standards specify the size, shape, chemical composition, mechanical properties and other requirements of the product, ensuring the quality and reliability of the product.