BLS Structural Steel
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ASTM A653 HDG Hot Dipped Galvalume COILS CSB Z100 GL Steel Coil
Galvalume is an aluminum-zinc alloy structure, which is composed of 55% aluminum, 43.4% zinc and 1.6% silicon solidified at a high temperature of 600°C. Its entire structure is composed of aluminum-iron-silicon-zinc, forming a dense quaternary crystal alloy.
Aluminum-zinc alloy steel plate 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 aluminized steel plate and is often used in Chimney pipes, ovens, luminaires and sunshades.






| Item | Specification |
|---|---|
| Technical Standard | EN10147/EN10142/DIN 17162/JIS G3302/ASTM A653 |
| Steel Grade | Dx51D, Dx52D, Dx53D, S250GD, S350GD, S550GD, SGCC, etc. |
| Thickness | 0.12 - 6.0mm |
| Width | 600 - 1500mm |
| Type of Coating | Hot Dipped Galvalume Steel (HDGL) |
| Zinc Coating | AZ30-AZ160, Z50-Z140g/m2 |
| Surface Structure | Normal spangle, minimized spangle, spangle-free |
| Paint Top | 15-35 microns |
| Coil Weight | 3-20 metric tons |



Our company is a domestic modern iron and steel enterprise founded in 2015. We specialize in carbon steel, alloy steel, galvanized steel pipes, tubes, plates, coils, and profiles.
We are strategically located near major seaports, ensuring efficient international carriage. Since our establishment, we have adhered to a business policy of sincerity, mutual benefit, high efficiency, and high quality. We provide stable resources for large-scale engineering projects worldwide, maintaining a standing inventory of more than 15,000 tons.






