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SGCC Galvanized Steel Sheet
When galvanizing, the quality of the anode material, the composition of the galvanizing solution, temperature, current density, energizing time, stirring intensity, precipitated impurities, and pow...
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S550GD Galvanized Steel Sheet
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When galvanizing, the quality of the anode material, the composition of the galvanizing solution, temperature, current density, energizing time, stirring intensity, precipitated impurities, and power waveform all affect the quality of the coating and need to be controlled at the right time.
| bse metal type | Grade | CHEMICAL COMPOSITION % | |||
| C | Si | Mn | P | ||
| cold rolled steel sheet | DC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF | ≤0.10 | – | ≤0.50 | ≤0.035 |
| DC52D+Z (St04Z), DC52D+ZF | ≤0.08 | – | ≤0.45 | ≤0.030 | |
| DC53D+Z (St05Z), DC53D+ZF | ≤0.08 | – | ≤0.40 | ≤0.030 | |
| DC54D+Z (St06Z), DC54D+ZF | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
| DC56D+Z (St07Z), DC56D+ZF | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
| hot rolled steel sheet | DD51D+Z (St01ZR, St02ZR) | ≤0.10 | – | ≤0.50 | ≤0.035 |
| DD54D+Z (St06ZR) | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
Galvanized Steel Sheet Advantages：
Corrosion Resistance: the aluzinc coating surface protects the base steel not only by providing barrier to corrosion elements, but
also by the sacrificial nature of the coating. Galvalume steel often remains in working order with little maintenance for 40 years
or more.
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