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SPA-H steel plate has strong corrosion resistance under weather conditions such as rain, snow, ice and fog. A dark brown oxide layer can be formed on the surface of the SPA-H steel plate to inhibit the deep penetration of arsenic. Therefore, the use of SPA-H steel plate saves spraying costs and expensive rust maintenance costs.
SPA-H steel plate chemical composition
| Grade |
C≤ |
Si |
Mn |
P |
S≤ |
Cu |
Cr |
Ni≤ |
|
SPA-H |
0.12 |
0.25-0.75 |
0.20-0.50 |
0.07-0.15 |
0.040 |
0.25-0.60 |
0.30-1.25 |
0.65 |
SPA-H steel plate mechanical properties
| Grade |
Yield strength |
Tensile strength |
Elongation |
|
SPA-H |
≥ 325 MPa |
≥ 450 MPa |
≥ 26 |
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