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Mechanical properties of Q355NH steel plate: tensile strength ≥ 490-630MPa, yield strength ≥ 355MPa, elongation ≤ 26.
Q355NH weathering steel (atmospheric corrosion resistant steel): add copper, phosphorus, chromium, nickel and other elements to improve the atmospheric corrosion resistance of steel. Weathering steel is divided into high weathering steel and welded structural weathering steel.Q355NH steel plate is a low alloy series, with rust resistance, so that the components of corrosion resistance and life extension, thinning and reduction of consumption, labor-saving energy saving and so on.
