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ASTM A653 Hot Dipped Galvanized Steel Coil
Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chlo...
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Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.
ASTM A653 Hot Dipped Galvanized Steel Coil Specification:
| Material | SGCC,SGCH,G350,G450,G550,DX51D,DX52D,DX53D |
| Thickness | 0.12-6.0mm |
| Width | 20-1500mm |
| Zinc coating | Z40-600g/m2 |
| Coil ID | 508 / 610MM |
| Coil Weight | 3-5 Tons |
| Hardness | Soft hard(60),medium hard(HRB60-85),full hard(HRB85-95) |
| Surface structure | Regular spangle, Minimum spangle, Zero spangle, Big spangle |
| Surface treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |
Chemical composition for hot dip galvanized steel plate and coil A653 SS 230 (Max):
| C | Mn | P | S | Al(Min) | Cu |
| 0.20 | 1.35 | 0.04 | 0.04 | – | 0.20 |
| Ni | Cr | Mo | V | Cb | Ti |
| 0.20 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 |
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