Strict gauge tolerances down to ±0.02mm, heavy zinc protection up to Z275 g/m², and certified seaworthy eye-to-sky packaging for global container and breakbulk ocean freight.
Factory-direct export pricing with Mill Test Certificates (EN 10204 3.1) provided with every bill of lading.
High corrosion-resistant zinc alloy coated coils suitable for commercial roofing tiles, purlins, ductwork, and structural wall framing.
Multi-layer PVDF, HDP, and PE polyester coatings over galvanized substrate. Tested against extreme UV radiation and coastal salinity.
High-strength ASTM A36 / S275JR structural sections for industrial warehouse portal frames, airport hangars, and bridge infrastructure.
Every shipment undergoes double-sided thickness micrometer inspection, coating weight tests, and salt spray exposure.
| Steel Classification | International Standard | Manufacturing Gauge Tolerance | Packaging & Seaworthy Protection |
|---|---|---|---|
| Hot-Dipped Galvanized (GI) | ASTM A653M / JIS G3302 / EN 10346 | Thickness: 0.12 - 4.0 mm (±0.02 mm) | Anti-rust Kraft paper, galvanized outer wrapper, steel protective rings |
| Zinc Coating Mass | Z40, Z60, Z80, Z100, Z140, Z275 | Double-sided triple spot test: 40 - 275 g/m² | Passivated with chromate / anti-fingerprint coating |
| Coil Dimension & Weight | Width: 600 - 1250 mm (Slitting to 50mm) | Coil ID: 508 mm (20") / 610 mm (24") | 3.0 to 8.0 MT per coil, Eye-to-Sky or Eye-to-Wall wooden skids |
| Prepainted Coils (PPGI/PPGL) | ASTM A755 / JIS G3312 / EN 10169 | Top paint: 15-25μm, Back paint: 5-8μm | PE protective film lamination (50-80 microns) optional |
| Structural Profiles | ASTM A36, ASTM A572 Gr.50, S275JR | Flange & Web tolerance per EN 10034 | Steel strapped heavy bundles (Max 2.5 MT per bundle) |
Regular liner sailings directly to primary terminals across East Africa, Middle East, and Latin America with 20ft heavy-load containers (Max 27-28 MT).