Aluminum Alloy Steel Coil JIS G3321 UV Resistant 1200mm Standard Width
Aluminum Alloy Steel Coil JIS G3321 UV-Resistant 1200mm Standard Width
JIS G3321-Certified Aluminum Alloy Steel Coil is engineered for exceptional UV resistance and durability in demanding outdoor environments. Featuring a 55% aluminum-zinc coating and compliant with JIS G3321 standards, this coil is available in a 1200mm standard width and thicknesses from 0.3mm to 3.0mm, making it ideal for roofing, automotive, and industrial applications. Its advanced alloy composition ensures long-term corrosion protection, heat reflectivity, and structural reliability, even under prolonged sun exposure.
Key Selling Points:
- UV & Weather Resistance: Reflects 85% of UV radiation (ASTM G154 tested), preventing coating degradation.
- Lightweight Strength: 20% lighter than traditional steel, with tensile strength up to 550 MPa (JIS G3321 Grade SGH340).
- Longevity: Aluminum-zinc coating outperforms galvanized steel by 3x in salt spray tests (JIS H8501).
- Eco-Friendly: Fully recyclable and compliant with RoHS and REACH regulations.
- Customizable: Pre-painted options in RAL colors or anti-fingerprint finishes.
2. Detailed Specifications
| Parameter | Details |
|---|---|
| Material | Aluminum-Zinc Alloy Coated Steel (55% Al, 43.4% Zn, 1.6% Si) |
| Base Steel Grade | SGH340, SGH400, SGH440 (JIS G3321) |
| Coating Weight | 100–200 g/m² (AZ100, AZ150, AZ200) |
| Thickness | 0.3mm – 3.0mm (±0.03mm tolerance) |
| Coil Width | 1200mm (Standard), Custom slitting up to 2,000mm |
| Surface Finish | Smooth, spangled, or chromate-free passivation (CrVI-free) |
| Certifications | JIS G3321, ISO 14788, ASTM A792, RoHS, JASO |
| Primary Applications | Solar panel frames, automotive body panels, warehouse roofing, signage |
3. Advantages of Importing Our JIS G3321 Coils
Why Choose Us?
- Cost Leadership: 25-30% lower pricing than Japanese/Korean suppliers with identical JIS G3321 compliance.
- Fast Turnaround: 10–14 days lead time for 1200mm standard coils (MOQ: 10 tons).
- Quality Assurance: Third-party tested for coating adhesion (JIS H8625) and UV resistance (QUV 2000+ hours).
- Tailored Solutions: Custom widths, pre-painted finishes, or perforated patterns for specialized needs.
- Global Logistics: Seaworthy packaging with VCI anti-rust film and HS code documentation.
- Technical Support: Free material selection guides and corrosion resistance reports.
4. Multi-Industry Applications
| Industry | Use Cases |
|---|---|
| Renewable Energy | Solar farm mounting systems, wind turbine cladding, inverter housings. |
| Automotive | Truck trailers, EV battery casings, heat shields, chassis components. |
| Construction | Factory roofing, stadium canopies, soundproof barriers, HVAC ducting. |
| Agriculture | Greenhouse structures, irrigation piping, livestock roofing. |
| Consumer Electronics | Outdoor display panels, LED billboard frames, telecom cabinets. |
| Transportation | Railway carriage sidings, airport hangar doors, maritime signage. |
FAQ
1. Who are we?
We are based in Jiangsu, China, start from 2008,sell to Mid East(25.00%),South America(15.00%),Southeast Asia(15.00%),North America(10.00%),Africa(10.00%),Domestic Market(10.00%),Eastern Europe(5.00%),Oceania(5.00%),South Asia(5.00%). There is a total of about 31-50 people in our office.
2. How can we guarantee the quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;
3. What can you buy from us?
Stainless Steel Plate/Stainless Steel Pipe/Stainless Steel Profile, Steel Plate/Steel Pipe,Aluminum Steel Coil
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

