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Q550NH steel

Grade:Q550NH 
Type: steel plate
Standard : GB/4171
Q355GNH steel Specification:
Thickness: 5-300mm
Width: 1500-3700mm
Lenght: 4000-18000mm
Heat Treatment:As rolled/Normalised
Q550NH steel Introduction:
Q550NH steel has a protective layer of rust resistance to atmospheric corrosion, it can be used in the manufacture of vehicles, bridges, towers, containers and other steel low-alloy structural steel. Compared with carbon steel, Q550NH steel has better corrosion resistance in the atmosphere. Compared to stainless steel, only trace amounts of alloying elements, alloys such as weathering resisting steel elements of total phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc. is only a few percent.
Q550NH steel Application:
Q550NH steel has a protective layer of rust resistance to atmospheric corrosion, it can be used in the manufacture of vehicles, bridges, towers, containers and other steel low-alloy structural steel. 
Q550NH steel
Q550NH steel Chemical composition (Heat Analysis Max%)

Grade
C Max Si Max Mn Max P Max S Max
Q550NH 0.16 0.65 2.0 0.025 0.030
Q550NH steel Mechnical property :

Grade
Yield Strength(MPa) Tensile Strength(MPa) % Elongation min
Q550NH 530-550 620-780 16

Tag: Q550NH steel GB 4171 Q550

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