Product: Heavy-Duty Color Coated Aluzinc / Zinc Steel Coil
Substrate: Hot-dipped Galvanized (Z40-Z275) / Galvalume (AZ30-AZ150) base metal.
Salt Spray Resistance: Certified up to 1,000+ hours, engineered for coastal structures and humid environments.
Packaging: 4-layer heavy seaworthy protection with VCI anti-rust wrapping to guarantee zero-defect arrival.
Prepaint galvanized steel coil .
Selecting the right base metal is crucial for balancing structural strength and economic efficiency. Our factory, operating with a robust 30-year production heritage and over 20 years of international export expertise, provides two primary metal substrates for our color-coated coils: Prepainted Galvanized (PPGI) and Prepainted Galvalume (PPGL). Understanding the metallurgical differences allows structural engineers to make highly optimized procurement decisions for long-term investments. prepaint galvanized steel coil ,color coated galvanized steel coil,painted steel coil
|
Metallurgical Parameter |
PPGI Substrate Options |
PPGL Substrate Options |
|
Base Metal Grade |
DX51D, DX52D, S250GD, S350GD |
SGLCC, SGLCH, CS Type A/B |
|
Metallic Coating Weight |
Z30 to Z275 g/m² |
AZ20 to AZ180 g/m² |
|
Thickness Range |
0.10 mm – 3.50 mm |
0.10 mm – 3.50 mm |
|
Yield Strength Range |
250 MPa – 550 MPa |
250 MPa – 550 MPa |
|
Surface Treatment |
Chromated, Oiled, Skin-passed |
Anti-Fingerprint, Chromated |


For over two decades, our export division has worked alongside manufacturers of roofing sheets, rolling doors, and garage panels. We adjust the mechanical tension and yield points of each coil batch according to your machine configurations. This minimizes coil breaks, reduces material waste, and allows you to run your production lines at maximum speed with total peace of mind.prepaint galvanized steel coil ,color coated galvanized steel coil,painted steel coil
Contact Information :
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.