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.
GB/T4171 Q355NH steel Chemical Composition:
|
Grade |
Chemical Composition (%) |
||||
|
C MAX |
Mn |
Si MAX |
P |
S MAX |
|
|
China GB/T 4171 Q355NH |
0.16 |
0.50-1.50 |
0.50 |
0.030 |
0.030 |
GB/T4171 Q355NH steel Mechanical Property:
|
Grade |
Mechanical Property |
||
|
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
% Elongation min |
|
|
China GB/T 4171 Q355NH |
325-355 |
490-630 |
20 |
Q355NH steel Uses:
With high weathering steel and good welding performance, this kind of steel is widely used in vehicles, bridges, containers, construction or other structural parts and other structures.
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