Galvalume Steel Sheet
Prime Mill Grade | Certified China Exporter & Factory Direct Supply
Galvalume Steel Sheet - Technical Overview & Specifications
Galvanized zinc metal roof panel is a kind of building material. It is made of aluminized zinc coil, which is a steel coated with a mixture of 55% aluminum, 43.4 zinc and 1.6 silicon through a hot-dip aluminized zinc process. The aluminum-zinc alloy protects the base steel from corrosion and rust. It has many favorable characteristics, such as high heat resistance, excellent corrosion resistance, excellent formability, high reflectivity, etc. It is therefore suitable for most applications, including extreme environments.
Product Parameters
| Product Name | Galvalume Steel Sheet |
| Thickness | 0.12mm-6.00mm |
| Width | 600mm-1500mm |
| Length | 1m-12m, Support Customization |
| Standard | AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc. |
| Thickness of Aluminum Zinc Coating | 30-185g/m² |
| Content of Al-Zn Coating | Al: 55%, Zn: 43.5%, Si: 1.5% |
Chemical Composition
| Al | Zn | Si | Fe | Cu | Cd | Pb | Sn | Ni | Close Cr |
|---|---|---|---|---|---|---|---|---|---|
| 55-58 | 41-43 | 1.5-2 | 0.25 | 0.03 | 0.05 | 0.01 | 0.05 | 0.05 | 0.05 |
Mechanical Properties
| Grade | Yield Strength MPa≥ | Tensile Strength MPa≥ | Elongation A%≥ |
|---|---|---|---|
| DX51D Z/ZM/AZ/AM | 240-380 | 270-500 | 22 |
| DX52D Z/ZM/AZ/AM | 140-300 | 270-420 | 26 |
| DX53D Z/ZM/AZ/AM | 140-260 | 270-380 | 30 |
| DX54D Z/ZM/AZ/AM | 120-220 | 260-350 | 36 |
| S220GD Z/ZM/AM | 220 | 300 | 20 |
| S250GD Z/ZM/AZ/AM | 250 | 330 | 19 |
| S280GD Z/ZM/AM | 280 | 360 | 18 |
| S300GD A/AM | 300 | 380 | 18 |
| S320GD Z/ZM/AM | 320 | 390 | 17 |
| S350GD Z/ZM/AZ/AM | 350 | 420 | 16 |
| S450GD A/AM | 450 | 480 | 15 |
| S550GD Z/ZM/AZ/AM | 550 | 550 | - |
International Standard Grade Comparison
| Chinese Standard | European Standards | American Standard | Japanese Standard |
|---|---|---|---|
| DC51D+AZ | DX51D+AZ | CS Type B, Type C | SGLCC |
| DC52D+AZ | DX52D+AZ | DS | SGLCD |
| S250GD+AZ | S250GD+AZ | 255 | - |
| S300GD+AZ | - | - | - |
| S350GD+AZ | S350GD+AZ | 345 | Class1 SGLC490 |
| S550GD+AZ | S550GD+AZ | 550 | SGLC570 |
Product Features & Advantages
- Manufactured to AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc. with strict dimensional tolerance and surface quality
- Reliable Galvalume Steel Sheet solution for construction, machinery and industrial projects
- Custom processing available: cutting, bending, decoiling, slitting and surface polishing
- Mill Test Certificate (MTC) and full inspection provided
Applications & Industries
Customer Reviews & Mill Quality Audits
Overall Satisfaction from Global EPC & Steel Buyers
EN 10204 3.1 Chemical & Tensile Verification Passed
SGS, BV & Cotecna Third-Party Audits Supported
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