China GB/T 4171 Q355GNH Weather Resistant Steel Plate

GB/T4171 Q355NH Weathering steel is characterized by a protective rust layer resistant to atmospheric corrosion. Compared with carbon steel, weathering steel in the atmosphere has a more excellent corrosion resistance.

Steel Name:
China GB/T 4171 Q355GNH Weather Resistant Steel plate, China GB/T 4171 Q355GNH Weather Resistant Steel Plates, China GB/T 4171 Q355GNH Weather Resistant Steel Sheets, China GB/T 4171 Q355GNH Weather Resistant Steel Sheet.

Chemical Composition and Mechanical Property:


Chemical Composition (%)

C Max


Mn Max


S Max

China GB/T 4171 Q355GNH







Mechanical Property

Yield Strength(MPa)

Tensile Strength(MPa)

% Elongation min

China GB/T 4171 Q355GNH




Main Application:
China GB/T 4171 Q355GNH Weather Resistant Steel Plate is used in Vehicle, Bridge, Tower, container And So On.

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