GB/T 4171 Q355NH weathering steel price

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GB/T 4171 Q355NH weathering steel price

GB/T 4171 Q355NH weathering steel price
Q355NH steel under GB/T 4171-2008 standard is a weathering steel or atmospheric corrosion resisting structural steel for welded structural parts. Compared to Q355GNH high weathering steel, Q355NH steel has better welding property.

Q355NH steel equivalent

GB/T4171-2008 ISO 4952-2006 ISO5952-2005 EN10025-5: 2004 JIS G3114-2004
Q355NH S355W HSA355W2 S355J0W,J2W,K2W SMA490AW, SMA490BW, SMA490CW

Chemical composition (%) in GB/T 4171-2008 standard

Carbon Silicon Manganese Phosphorous Sulfur Copper Chromium Nickel
≤0.16 ≤0.50 0.50-1.50 ≤0.030 ≤0.030 0.25-0.55 0.40-0.80 ≤0.65
Mechanical properties in GB/T 4171-2008 standard
Yield strength(MPa) min for thickness in mm Tensile strength
(Mpa)
Elongation(%)
≤16 >16≤40 >40≤60 >60   ≤16 >16≤40 >40≤60 >60
355 345 335 325 490-630 22 22 21 20
 
Q355NH steel has good quality of atmospheric corrosion resistance, these steel plates can be used in vehicles, bridges, containers, buildings, towers and other welded structural parts. As a  weathering steel exporter and supplier, we can supply GB/T 4171 Q355NH weathering steel plates and sheet with competitive price.
 

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