Steel material equivalent to EN10025-3 S355NL gradeChinese steel standard GB: Q345E
Japanese standard JIS: SEV245
American Standard ASTM: Type3 Grade 50
S355NL steel is a European standard alloy structural high-strength steel, normalized rolled weldable fine-grained structural steel plate, equivalent to the Chinese steel grade Q345E series. S: indicates structural steel, N: state, uppercase L: when the temperature is not lower than -50°C, Specifies the minimum level of impact energy.
S355NL steel chemical compositionC: ≤0.22; Si: ≤0.55; Mn: ≤1.60; P: ≤0.025; S: ≤0.025; Cu: ≤0.55;
S355NL steel mechanical properties
Strength: Tensile strength: Rm630-450MPa. Yield strength: 355-275MPa, elongation after fracture 21-22%.
Application of S355NL: S355NL alloy structural steel plate is widely used in construction machinery, mining machinery, metallurgical environmental protection, water conservancy and hydropower and other structural parts.
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