Authentic Steel Ltd. is a premier manufacturer and global exporter specializing in high-grade gi coil solutions tailored for heavy-duty industrial and commercial applications. Utilizing advanced continuous galvanizing lines, our hot dipped galvanized steel coils provide exceptional corrosion resistance, superior surface quality, and outstanding formability. As a trusted supplier, we ensure every batch complies with strict international engineering standards, delivering robust structural reliability for your global supply chain.
We manufacture and process a comprehensive portfolio of galvanised steel coil products to satisfy precise structural and mechanical requirements:
Commercial & Lock Forming Quality: ASTM A653, JIS G3302 SGCC, and European standard dx51d for versatile forming, profiling, and bending.
Structural Quality: Grade 33, Grade 40, Grade 50 (SS235 / SS275) engineered for load-bearing infrastructures.
High-Zinc Protection: Coating weights ranging from Z40 to Z275 g/m² (available in regular, minimum, or zero spangle variants) optimized for long-term atmospheric exposure.
Our prime hot dipped galvanized steel coils are processed with specific chemical surface treatments depending on storage and transit conditions. Custom finishing options include chromated (chemical passivation), oiled, skin-passed, or anti-fingerprint (AFP) coatings to guarantee optimal material preservation during long-distance maritime transport.
Authentic Steel Ltd. maintains strict thickness and width tolerance control to ensure flawless processing performance on your manufacturing lines. Below are our standard production capabilities:
|
Product Parameters |
Standard Range |
Customization Options |
|
Thickness |
0.12mm - 4.0mm |
Ultra-thin or heavy gauges upon request |
|
Width |
600mm - 1500mm |
Precision slitting down to narrow steel strips |
|
Zinc Coating |
40g/m² - 275g/m² |
Dual-sided customized zinc layer thickness |
|
Spangle Type |
Regular, Minimum, Zero |
Optimized for direct aesthetic use or painting |
|
Coil ID / OD |
508mm or 610mm / Max 2000mm |
Fits standard automatic manufacturing uncoilers |
|
Coil Weight |
3 - 25 Metric Tons |
Configured to maximize container payload |
Our premium-grade gi coil inventory serves as a crucial raw material across major global infrastructure and industrial manufacturing sectors:
Construction & Framing: Roofing panels, corrugated sheets, purlins, HVAC ductwork, drywall studs, rolling shutters, and structural profiles.
Appliance Manufacturing: Back plates, internal structural brackets, and enclosures for washing machines, refrigerators, and air conditioning units.
Pre-Painted Steel Substrate: The ideal core substrate for subsequent hot-dip color-coating (PPGI) production lines.
Automotive & Hardware: Cable trays, electrical distribution boxes, stamped components, and automotive reinforcement parts.
Authentic Steel Ltd. ensures comprehensive quality verification, providing full chemical and mechanical traceability via certified Mill Test Certificates (MTC) conforming to EN 10204 3.1 standards. With highly competitive factory-direct wholesale pricing, flexible minimum order quantities (MOQ), and heavy-duty, seaworthy packaging (waterproof paper and steel strapping), we guarantee a reliable, secure procurement experience for global distributors and industrial end-users.
Contact our international sales team today to request a fast quote, download our catalog, or secure volume bulk pricing for your next project!
