The st52-3 steel plate chemical composition analysis
| Grade |
C≤16mm max |
C>16mm max |
Si max |
Mn max |
P max |
S max |
|
st52-3 |
0.24 |
0.24 |
0.55 |
1.60 |
0.045 |
0.045 |
By analyzing the chemical composition of the st52-3 steel plate, we can see that the manganese content is the highest in the st52-3 steel plate. Because manganese can increase the strength of the st52-3 steel plate, it can weaken and eliminate the adverse effects of sulfur, and can improve the hardenability of st52-3 steel plate. The st52-3 steel plate with high manganese content has good wear resistance and other physical properties.
Silicon is considered as an alloying element, generally not less than 0.40%. Silicon improves the st52-3 steel plate strength, hardness and elasticity, elastic limit and wear resistance.
Silicon increases the Ac3 temperature of the st52-3 steel plate, so higher quenching and annealing temperatures are generally required for such st52-3 steel plate. Silicon has a moderate effect on the hardenability of the st52-3 steel plate, but it has a great advantage in improving the tempering stability and oxidation resistance of the st52-3 steel plate.
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