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 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.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
