With rich export experience, we provide efficient and reliable solutions for global customers.
Galvalume steel coil :
Engineered specifically for deep drawing and high-deformation metal stamping, 55% Hot-Dip Aluzinc Steel Coils represent the pinnacle of metallurgical precision. Leveraging our 30-year manufacturing heritage, we utilize advanced continuous annealing lines to control the grain structure of the base steel, granting it superior elongation and ductility without risking micro-cracking of the aluminum-zinc protective layer.galvaume steel coil . anti-finger aluminum zinc steel coil . GLC steel coil .
With over two decades of seamless export operations across 60+ countries, we understand the tight tolerances required by the automotive component industry and home appliance manufacturers (such as computer chassis and HVAC internal panels). The 55% aluminum structure provides a continuous thermal barrier up to 315°C, making it an economical yet ultra-reliable upgrade from traditional galvanized steel.galvaume steel coil . anti-finger aluminum zinc steel coil . GLC steel coil .
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Technical Parameter |
Specification Standard |
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Material Grade |
Draw Quality (DQ), Deep Draw Quality (DDQ / DX53D+AZ) |
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Thickness Range |
0.10 mm – 3.50 mm |
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Width Range |
870 mm – 1250 mm |
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Coating Mass |
AZ20 to AZ180 ( total two sides) |
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Surface Treatment |
Chromated, Trivalent Chrome Passivated, Environment-Friendly Oiled |

We provide global clients with stable supplies, rigorous quality control, and customized solutions. For inquiries or quotations, please contact us:
Sales Specialist : Ms. Lina
Email : lina@authsteel.com
Phone: +86-137 5206 8850
WhatsApp: +86-137 5206 8850
We will respond within two working hours with professional advice and a quotation.
Galvalume steel coil SNI Add Boron