The Galvalume sheet coating consists of an alloy of nominally 55% aluminum, 1.6% silicon, and the balance zinc by weight, as listed in ASTM designation A 792. On a volume basis, the coating is approximately 80% aluminum.
Galvalume Roofing Sheets Specification
| Item | Galvalume Roofing Sheets | |||||
| Thickness | 0.12mm-0.8mm | |||||
| Width | 660~1150mm | |||||
| Length | 1000-11800mm or as your requst | |||||
| AZ Coating | 30-275g/m2 | |||||
| Grade | SGLCC SGLCD SGLC440 SGLC570 ASTMA792/A792M ASTMA755/A755M | DX51D+AZ DX52D+AZ DX53D+AZ DX54D+AZ | S220GD+AZ S250GD+AZ S280GD+AZ S320GD+AZ S350GD+AZ S550GD+AZ | |||
| Surface Treatment | Chromic acid passivation, Oiled, Chromic acid passivation + oiling, Anti-Fingerprint. | |||||
| Spangle | Regular spangle, minimized spangle , big spangle, zero spangle | |||||
| Hardness | Soft, Full hard, Half hard | |||||
| Application | Building industry ,structural use, roofing, commercial use ,household appliance, industry facilities, office buildings | |||||
