GI Coil
Home / Single Product
Hot-dip Galvanized Steel Coil (GI Coil)
High-quality hot-dip galvanized steel coils with excellent corrosion resistance, ideal for roofing, construction, and industrial applications. We offer various zinc coating weights and sizes to meet your project requirements.
Our GI coils are produced with strict quality control, ensuring uniform zinc coating and smooth surface.
- ✅Superior corrosion resistance for long service life
- ✅Wide range of zinc coating: 40g/m² - 275g/m²
- ✅ Customizable width, thickness, and inner diameter
- ✅Available in spangle and zero-spangle finishes
- ✅Meets international standards (ASTM, EN, JIS)
| Parameter | Specification |
|---|---|
| Product Name | Hot-dip Galvanized Steel Coil (GI Coil) |
| Standard | ASTM A653, EN 10346, JIS G3302, GB/T 2518 |
| Grade | SGCC, DX51D+Z, S220GD, S250GD, S350GD, S550GD |
| Thickness | 0.12 mm – 4.0 mm |
| Width | 600 mm – 1500 mm (customizable) |
| Zinc Coating | 40 g/m² – 275 g/m² (Z40–Z275) |
| Spangle Type | Regular spangle, minimized spangle, zero spangle |
| Surface Treatment | Chromated / Non-chromated, oiled / unoiled |
| Coil Weight | 2–15 tons (customizable) |
| Inner Diameter | 508 mm / 610 mm |
| Certification | ISO 9001, CE, SGS, BV |
| Application Field | Details |
|---|---|
| Building Envelope | Roofing and wall cladding for commercial and residential buildings |
| Manufacturing | Production of corrugated sheets, welded pipes, and profiles |
| Industrial & Household | Automotive parts, home appliances, and hardware components |
| Construction & Engineering | General construction and structural support projects |
| Item | Details |
|---|---|
| Packaging | Standard export seaworthy packaging (steel strapping + waterproof paper + wooden pallets) |
| Loading Method | 20ft / 40ft container |
| Lead Time | 7–15 days after receiving deposit |
| Shipping Port | Qingdao / Tianjin / Shanghai (negotiable) |
what people say about us?
“We’ve been sourcing GI and PPGI coils from them for over 2 years. The quality is consistent, prices are stable, and shipments always arrive on schedule. Their team is quick to respond and very helpful with documentation.”
“As a construction contractor, we rely on reliable steel suppliers. Their H-beams and angle steel have always met our project requirements, and their quality control is strict. Communication is easy even with the time difference.”
“We appreciate their flexible MOQs and fast lead times. The steel coils are well-packaged, and they provide all the certificates we need for customs clearance. Highly recommended for bulk orders.”