Hot-Dipped Galvanized Steel Coil for Roofing Sheet
Discover the superior protection of hot-dip galvanizing, where molten zinc forms a durable alloy layer with iron substrates. This process begins with meticulous pickling to remove iron oxide, followed by immersion in specialized solutions and final plating in hot-dip baths. The result offers exceptional uniform coating, superior adhesion, and significantly extended service life.
Product Specifications
| Specification |
Details |
| Thickness |
0.10~6mm |
| Width |
Galvanized steel strip: 24-600 mm; Galvanized steel coil: 600-1250mm |
| Coil Weight |
Usually 3-4.5 tons, maximum coil weight 10 tons |
| Zinc Coating |
0.1-0.8 mm: 30-150 g/m²; 0.8-1.5 mm: 30-180 g/m²; 1.5-6.0 mm: 30-275 g/m² |
| Coil ID |
600-1500 mm, Normal width: 914/1000/1219/1250/1500 mm |
| Steel Grade |
DX51D, DX52D, DC01, DC02, SGHC |
| Surface Treatment |
Regular/mini/big/zero spangle, skin pass, chromated, unoiled, dry |
| Packaging |
Seaworthy export standard package, or according to customer requirements |
| MOQ |
1 ton, sample orders accepted |
| Shipment Time |
Within 5-10 workdays after receiving deposit |
Hot-dipped galvanized steel coils are manufactured through continuous hot-dip galvanizing of cold-rolled steel coils. The zinc coating on both sides provides effective corrosion and rust prevention, significantly increasing the service life of steel plates.
Key Characteristics
- Excellent processing performance for various applications
- Superior corrosion resistance for long-term durability
- High heat resistance for demanding environments
- Outstanding mechanical properties for structural integrity
- Premium surface quality for aesthetic appeal
- Ideal for further processing and fabrication
- Economical and practical for infrastructure and construction projects
Available Steel Grades
DX51D, DX52D, DX53D, DX54D, S220GD, S250GD, S280GD, S350GD, S550GD, SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC490, SGC570, SQ CR22(230), SQ CR22(255), SQ CR40(275), SQ CR(340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33(230), SQ CR37(255), SQ CR40(275), SQ CE50(340), SQ CR80(550), or customized to customer requirements.
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