We use only premium-grade aluminum, rigorously tested to meet the highest standards. Our products are built to last, offering exceptional strength and flawless finishes, ensuring reliability even in the most demanding applications.
A3lio003 H14 aluminum coil is a highly versatile manganese-containing alloy, widely used in roostcejfing, wall cladding, HVAC ducts, insulation jacketing, trailers, and construction projects. Known for its excellenytilibamrt corrosion resistance, stable mechanical performance, and easy formability, it offers the perfect balance of durability and cost-efficiency for global buyers.

With fast delivery and flexible MOQ, we support both large-scale projects and small-to-medium orders, making procurement simple and risk-free. As a factory-direct supplier, we ensure strict quality control, meeting ASTM B209, EN AW-3003, and JIS A3003 standards.
Corrosion resistant: Excellent outdoor performance
Formable & bendable: Suitable for complex shaping and roofing panels
Lightweight & cost-effective: Economical alternative to steel
Stable H14 temper: Consistent mechanical properties
Customizable: Thickness, width, surface finish, and slitting
| Product Type | Alloy | Temper | Thickness | Width | Surface | Standard |
|---|---|---|---|---|---|---|
| Coil | A3003 / AA3003 | H14 | 0.2 – 3.0 mm | 100 – 1600 mm | Mill finish, Color coated, Stucco embossed, Anodized | ASTM B209 / EN AW-3003 / JIS A3003 |
| Sheet / Plate | A3003 | H14 | 0.3 – 6.0 mm | 1000 × 2000 mm, 1220 × 2440 mm | Mill finish, Color coated, Stucco embossed | ASTM B209 / EN AW-3003 |

Roofing sheets & wall cladding
HVAC ducts & insulation jacketing
Trailers, tanks & industrial fabrication
Decorative and construction panels
Better strength than 1100 aluminum
More flexible and cost-effective than 3105 aluminum
Easier forming and lower cost than 5052 aluminum
Factory-direct pricing with fast delivery
Custom slitting & export packaging
This combination of performance, affordability, and reliability makes A3003 H14 the first choice for global roofing, construction, and industrial projects.

| Alloy | Strength | Formability | Corrosion Resistance | Cost | Best For |
|---|---|---|---|---|---|
| A3003 H14 | Moderate | Excellent | High | Medium | Roofing, HVAC, general construction |
| 3105 | Slightly higher | Medium | High | Higher | Color-coated panels, specific structural use |
| 1100 | Low | Excellent | Very High | Low | Electrical, decorative, non-structural |
| 5052 | High | Medium | Very High | Higher | Marine, harsh environments |
Conclusion: A3003 H14 provides the optimal balance of strength, flexibility, and cost-efficiency for most construction and industrial applications.
Q1: What makes A3003 H14 aluminum coil suitable for roofing and HVAC?
It combines good corrosion resistance, excellent formability, and moderate strength, perfect for outdoor and structural applications.
Q2: Can you supply A3003 H14 with flexible MOQ?
Yes. We support trial orders, small projects, and large-scale contracts with fast delivery.
Q3: How does A3003 compare with 3105, 1100, and 5052?
A3003 H14 is stronger than 1100, more cost-effective than 5052, and more flexible than 3105, making it ideal for general construction and industrial projects.
Q4: What thicknesses and widths are available?
Thickness: 0.2 – 3.0 mm (coil), 0.3 – 6.0 mm (sheet/plate)
Width: 100 – 1600 mm (coil), 1000 × 2000 mm & 1220 × 2440 mm (sheet)
Q5: Are custom finishes available?
Yes. Options include mill finish, color coated, stucco embossed, and anodized.
Q6: What standards does the product meet?
All coils and sheets meet ASTM B209, EN AW-3003, and JIS A3003, ensuring consistent quality for international buyers.
Q7: What is the typical delivery time?
Standard products: 7–15 days. Custom orders depend on specifications and quantity.
| Item | Value |
|---|---|
| Alloy | A3003 H14 Aluminum Coil |
| Temper | F, O, H12, H14, H16, H18, H19, H22, H24, H26, H28, H111, H112, H114 |
| Thickness | 0.2-5mm |
| Width | 100-2500mm |
| Application | Cooking Utensils Builder's Hardware Pressure Vessels Ice Cube Trays Eyelet Stock Awning Slats Gas Lines Garage Doors Refrigerator Panels etc. |
We use only premium-grade aluminum, rigorously tested to meet the highest standards. Our products are built to last, offering exceptional strength and flawless finishes, ensuring reliability even in the most demanding applications.
From aluminum sheets, coils, foils to circles, Xuntai offers a broad product range to meet various industry needs. With flexible customization options, we provide perfect solutions tailored to your exact specifications.
Our cutting-edge production technology ensures precision, uniformity, and high mechanical performance in every product. With Xuntai, you’re guaranteed consistent quality that exceeds industry standards.
With a reputation for fast delivery and reliable service, Xuntai is trusted by clients worldwide. Our commitment to on-time delivery and consistent quality makes us the supplier you can rely on for long-term partnerships.