EN 10025-3 S420N low alloy steel
S420N Steel Introduction:
S420N belongs to hot rolled products of structural steels, delivered in normalized or normalized rolled conditions. S420N is weldable fine grain structural steel.
|
Main chemical elements composition of S420N |
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|
C |
Si |
Mn |
P |
S |
Nb |
V |
|
0.20 |
0.60 |
1.00-1.70 |
0.030 |
0.025 |
0.05 |
0.20 |
|
Al(total) |
Ti |
Cr |
Ni |
Mo |
Cu |
N |
|
≥0.02 |
0.05 |
0.30 |
0.80 |
0.10 |
0.55 |
0.025 |
Mechanical Property:
|
Thickness (mm) |
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|
S420N |
≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 63 |
> 63 ≤ 80 |
> 80 ≤ 100 |
> 100 ≤ 150 |
> 150 ≤ 200 |
> 200 |
|
Yield strength (≥Mpa) |
420 |
400 |
390 |
370 |
360 |
340 |
330 |
320 |
|
|
≤ 100 |
> 100 ≤ 200 |
> 200 |
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|
Tensile strength (Mpa) |
520-680 |
500-650 |
500-650 |
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S420N Steel Application:
S420N is weldable fine grain structural steel, generally used in heavily loaded parts of welded structures such as, bridges, flood gates, storage tanks, water supply tanks, etc., for service at ambient and low temperatures.