GB/T 4171 Q355GNH Corten steel plate has better corrosion resistance in the atmosphere. GB/T 4171 Q355GNH Corten steel plate major added metal elements are nickel, copper. Compared to stainless steel, only trace amounts of alloying elements, alloys such as weathering resisting steel elements of total P, Cu, Cr, Ni, Mo, Nb, V,Ti, etc.
GB/T 4171 Q355GNH Corten steel plate has good anti rust protection and welding ability and is used in shipping container,support frame of outside building etc. Also uses in manufacturing each kind of structural element which was used under the atmospheric envirenment and the caustic gas, the liquid envirenment.
GB/T 4171 Q355GNH Corten steel plate Specification
Thickness: 2-300mm
Width: 1000-4200mm
Length: 1000-12000mm
GB/T 4171 Q355GNH Corten steel plate Chemical composition(%)
C≤0.12 Si:0.20-0.75 Mn≤1.00 P≤0.13 S≤0.13 Cu:0.25-0.55 Cr:0.40-0.80 Ni≤0.65
GB/T 4171 Q355GNH Corten steel plate Mechanical properties
Yield strength Mpa:345-355 Tensile strength Mpa:490-630 Elongation(%)Min:22
Technique: Hot Rolled
Surface Treatment: Normalizing / drawing-back / anneal/Painted
Heat Treament: Quenched, Normalized, Tempering, Q+T
Terms: FOB, CFR,CIF,etc
Packing: Export-sea worthy packing with each bundle tied and protected
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