The surface of the Galvalume steel coil is a unique smooth, flat and gorgeous star, and the basic color is silver white. The special coating structure makes it have excellent corrosion resistance. The normal service life of the Galvalume steel coil can reach 25a, and the heat resistance is very good, which can be used in the high temperature environment of 315 ℃; The coating has good adhesion with the paint film, has good processing performance, and can be punched, sheared, welded, etc; The surface conductivity is very good.
| Product Name | Galvalume steel coil |
| Product Definition | Galvalume steel plate is covered with aluminum-zinc alloy on the surface of the steel plate. It is composed of 55% aluminum, 43.4%zinc and 1.6% silicon solidified at a high temperature of 600℃.Its entire structure is composed of aluminum-iron-silicon-zinc,forming a dense quaternary crystalof an alloy-coated steel plate. |
| Thickness | 0.3mm - 2.0mm |
| Width | 700mm-1250mm |
| Steel Strip Inner Diameter | 508mm / 610mm |
| Surface Coating Thickness | 10μm - 30μm |
| Back Coating Thickness | 5μm - 20μm |
| Grams of Zinc Layer | 80g/m² - 275g/m² |
| Brand Number | DC51D+AZ, DC52D+AZ, DC53D+AZ, DC54D+AZ |
| Zinc Layer Type | Aluminum zinc alloy coating |
| Zinc Layer Surface | Normal sprinkling, normal small sprinkling, smooth processing |
| Surface Treatment | Chromic acid passivation, chromium-free passivation, chromic acid passivation + oiling, chromium-free passivation + oiling,Oil coating, normal fingerprint resistance, chrome-free fingerprint resistance, chromium-free high weather resistance andfingerprint resistance. |