Comparasion for S355J2+AR and S355J2+N steel plate
Both S355J2+AR steel plate and S355J2+N steel plate are in steel specification EN 10025-2 and shall be done low temperature impacting test at -20 Deg.C when supplying.The chemical composition and yield strength and tensile strength requirements are the same for S355J2+N steel plate and S355J2+AR.
The main difference between S355J2+AR and S355J2+N is delivery condition when supplying,S355J2+AR steel plate,AR mens As Rolled delivery condition,and S355J2+N steel plate,N means Normalizing heat treatment delivery condition.For heavy thickness steel plate above 40 millimeters,S355J2+n steel plate is better to choose for structural frames usage.
Carbon steel grades |
Chemical composition: Heat Analysis Max% |
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Standard |
Grade |
C |
Mn |
P |
S |
Si |
N |
Cu |
EN 10025-2 |
S355J2+AR |
0.24 |
1.60 |
0.025 |
0.025 |
0.55 |
- |
0.55 |
EN 10025-2 |
S355J2+N |
0.24 |
1.60 |
0.025 |
0.025 |
0.55 |
- |
0.55 |
Mechanical Properties: |
Thickness |
Yield strength |
Tensile strength |
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Mpa Min. |
Mpa |
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EN 10025-2 |
S355J2+AR |
T≤16 |
355 |
470-630 |
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EN 10025-2 |
S355J2+N |
T≤16 |
355 |
470-630 |