55% Galvalume Steel Coil
55% Galvalume Steel Coil
55% Al-Zn Alloy Coated Steel Coil for Roofing & Industrial Sheets
Strong Weather Resistance
Premium Al-Zn coating protects your roofing projects from long-term outdoor rust.
Heat Reflectivity
Reflects solar heat to lower indoor temperatures for energy-saving buildings.
Flexible Surface Options
Chromated, oiled, and anti-fingerprint surface-treatment options are selected according to the processing and order requirements.
Reliable Formability
Roll-forming behavior depends on grade, thickness, coating, tooling, profile, and processing conditions.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | 55% Galvalume Steel Coil / Aluzinc Steel Coil |
| Standard Compliance | ASTM A792, EN 10346, JIS G3321, GB/T 14978 |
| Steel Grade | SGLCC, SGLCD, DX51D+AZ, G550 (Full Hard) |
| Chemical Composition | 55% Aluminum, 43.4% Zinc, 1.6% Silicon |
| AZ Coating Mass | AZ30 to AZ150 g/m² (Double-sided) |
| Thickness Range | 0.12 – 2.0 mm |
| Width Range | 600 – 1250 mm |
| Surface Treatment | Anti-fingerprint (Transparent/Blue/Green), Chromated, Oiled, Dry |
| Spangle Type | Regular Spangle / Mini Spangle / Zero Spangle |
| Coil Weight & ID | 3 – 8 Metric Tons per coil; ID: 508 / 610 mm |
| Primary Applications | Roofing sheets, PPGL substrate, industrial wall cladding, home appliances, automotive parts |
Quality Control & Shipping Case
Buyer Concern & FAQ
What galvalume steel specifications are available?
Thickness, width, grade, Al-Zn coating, surface treatment, and tolerances are confirmed according to the selected product and order specification.
Which Al-Zn coating weights are available?
Al-Zn coating options are supplied according to the product specification and intended application; the required designation and test method should be confirmed with the order.
Which standards can apply?
Galvalume steel can be supplied according to applicable standards such as ASTM A792, EN 10346, and JIS G3321 when the standard, grade, and requirements are confirmed in the order.
What surface treatments are available?
Options can include passivated, oiled, dry, and anti-fingerprint finishes, subject to the selected product and order requirements.
How are coils packed for export?
Packaging is selected according to coil dimensions and shipment requirements and may include protective wrapping, edge protection, steel strapping, and secured loading.
