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GB/T4171 Q550NH steel plate steel plate

GB / T4171 Q550NH steel plate is welded atmospheric corrosion resisting structural steel,GB / T4171 Q550NH steel plate production mode for hot rolling. GB / T4171 Q550NH steel plate is mainly used for vehicles, bridges, containers, construction or other structural parts and other structures, compared with high weathering steel, with good welding performance.

GB/T4171 Q550NH steel plate

GB / T4171 Q550NH steel plate display method

Q - the first letter of the Chinese word "Qu" in the yield strength

550- The lower limit of the lower yield strength of the steel is N / mm2

NH - are the first letters of the Chinese word "Nai" and "Hou"

GB/T4171 Q550NH steel plate Chemical composition(%)

C:≤0.16 Si:≤0.65 Mn:≤2.0 P:≤0.025 S:≤0.030 Cu:0.20-0.55 Cr:0.30-1.25 Ni:0.12-0.65

GB/T4171 Q550NH steel plate Mechanical properties

Yield strength(Mpa):530-550 Tensile strength(Mpa):620-780 Elongation(%):15/16

GB/T4171 Q550NH steel plate Specification

Thickness:Max 60mm

Width:1220-4200mm

Length:5000-18000mm

Delivery status

Quenching and tempering delivery

As one of Chinese largest GB/T4171 Q550NH steel plate stockist,BBN Steel keep various materials and sizes more than 10,000 tons in stock. So do not hesitate to contact with us, if you have any questions or requirement about GB/T4171 Q550NH steel plate, we will be willing to support you.

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