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Used Roofing Galvalume Steel Coils Regular Spangle 1.5mmx1000mm
Galvalume Steel Coils Product Information
Galvalume steel is also called Aluminum-Zinc Alloy Coated Steel,Zincalume steel,aluminized zinc steel (aluzinc steel),SGLC,the galvalume metal is composed of 55% aluminium,43.5% zinc and 1.5% silicon solidified at 600℃.Its whole structure consists of aluminium-iron-silicon-zinc,forming a compact quaternary crystal alloy.The surface of the galvalume steel sheet is characterized by smooth, flat and gorgeous stars, and its base color is silver white.The special coating structure makes it have excellent corrosion resistance.The normal service life of galvalume steel sheet is up to 25a, and its heat resistance is good.It can be used in high temperature environment at 315℃.The adhesion between coating and paint film is good,and it has good processing performance.It can be punched, sheared and welded.The surface conductivity is very good.
Galvalume Steel Coils Product Parameter
| Product Name | Galvalume Steel Coils |
| Coil Weight | 3-8Tons |
| Thickness | 0.15-2.3mm |
| Width | 600-1250mm |
| Coil ID | 508/610mm |
| Zinc Coating | AZ50-185g/m2 |
| Content | 55%Alu,43.5%Zinc,1.5%Si |
| Surface Treament | Light Oil,Oil,Dry,Passivated,Anti Finger |
| Hardness | Soft(normal),Hard,Full hard(G300-G550) |
| Package | Standard Export Package/Or customer's requirement |
| Spangle | Zero spangle,Regular spangle,Big spangle,Small spangle |
| Material | ASTMA792Type CSB,DX51D,DX52D,DX53D,DX54D,SPCC,SPCD,G550,ect. |
| Grade | Yield strength MPa | Tensile strength MPa | Elongation after breaking A 80%not less than | R90 not less than | N90not less than |
| DX51D+A Z | - | 270-500 | 22 | - | - |
| DX52D+A Z | 140-300 | 270-420 | 26 | - | - |
| DX53D+A Z | 140-260 | 270-380 | 30 | - | - |
| DX54D+A Z | 120-220 | 260-350 | 36 | 1.6 | 0.18 |
Galvalume Steel Coils Product Characteristics
1.Heat reflectivity:
The heat reflectivity of galvalume coil is very high, twice that of galvanized steel coil. People often use it as heat insulation material.
2. Heat resistance:
Galvalume steel coil has good heat resistance and can withstand high temperatures of more than 300 degrees celsius. It is very similar to the high-temperature oxidation resistance of galvalume steel coil. It is often used in chimney pipes, ovens, luminaires and fluorescent lampshades.
3.Corrosion resistance:
The corrosion resistance of galvalume steel coils is mainly due to the protective function of aluminum. When zinc is worn, aluminum forms a dense layer of aluminum oxide, preventing corrosion-resistant substances from further corroding the interior.
Galvalume Steel Coils Product Production Process
The process flow of galvalume sheet is divided into uncoiling process stage, coating process stage and winding process stage.
Galvalume Steel Coils Package
A water proof paper + An inhibitor film + A steel sheet cover with steel edge protectors and sufficientsteel straps or customized according to the need to develop different ways.
Products Dispaly of Roofing Galvalume Aluzinc Steel Coil Regular Spangle 1.5mmx1000mm