Q235NHE material is weathering steel, that is, atmospheric corrosion resistant steel, a low alloy steel series between ordinary steel and stainless steel.
Q235NHE steel chemistry(%)
Grade |
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
|
Q235NHE |
≤0.13 |
0.10-0.40 |
0.20-0.60 |
≤0.030 |
≤0.030 |
0.25-0.55 |
0.40-0.80 |
≤0.65 |
Q235NHE mechanical properties
Grade |
Stretching test |
||||||||
|
Yield strength MPa, min |
Tensile strength MPa |
Elongation A%, min |
|||||||
|
≤16 |
16-40 |
40-60 |
＞60 |
≤16 |
16-40 |
40-60 |
＞60 |
||
|
Q235NHE |
235 |
225 |
215 |
215 |
360-510 |
25 |
25 |
24 |
23 |
Q235NHE steel has the characteristics of rust resistance, corrosion resistance and longevity of components, thinning and consumption reduction, and labor and energy saving. Weathering steel is mainly used for steel structures exposed to the atmosphere for a long time, such as railways, vehicles, bridges, towers, photovoltaics, and high-speed projects. It is used to manufacture structural parts such as containers, railway vehicles, oil derricks, seaport buildings, oil production platforms, and containers containing hydrogen sulfide corrosive medium in chemical petroleum equipment.
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