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Chemical composition and tensile yield strength of S420N high strength steel plate

S420N steel plate belongs to the European standard high-strength plate with high strength, especially in the normalized or normalized and tempered state, it has high comprehensive mechanical properties. S420N high strength steel plate is mainly used for large ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, hoisting machinery, mining machinery and other large welded structural parts.

Chemical composition of S420N European standard high strength steel plate:

Grade C max Si max Mn max P max S max N max AL max Nb max V max Ti max Cr max Ni max Mo max Cu max CEV max
S420N 0.2 0.6 1.0- 1.7 0.03 0.25 0.025 0.02 0.05 0.2 0.05 0.3 0.8 0.1 0.55 0.52

Tensile yield strength of S420N European standard high strength plate:
Grade: S420N
Thickness: 8-260mm
Tensile strength Rm500-680MPa,
Yield strength: 420-320MPa,
Elongation after fracture 18-19%

S420N European standard high-strength plate implementation standard: EN10025-3; full name: normalized/normalized-rolled weldable fine-grain structure steel plate. This standard, together with en10025-1, replaces EN 10113-1:1993 hot rolled weldable fine grain structural steel products Part 1: general conditions and EN 10113-2:1993 hot rolled weldable fine grain structural steel products Part 2: normalized / normalized rolled steel conditions.

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