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Help Center3003 H24 3004 H18 Aluminum Roofing Sheets for Commercial and Residential Buildings
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Wuxi Yansheng Technology Co., Ltd., established in 2017, is a professional manufacturer with a factory spanning 1,000–3,000 square meters and an annual export value exceeding US$50 million. We employ over 100 skilled workers and have obtained multiple international certifications including ISO9001, ISO14000, and OHSAS18001. Our 3003 H24 and 3004 H18 aluminum roofing sheets are designed to meet the stringent requirements of both commercial and residential construction projects worldwide. These sheets offer an optimal balance of strength, corrosion resistance, and lightweight characteristics, making them a reliable choice for long-lasting roofing solutions.
Key Features & Technical Specifications
- Alloy Options: 3003 and 3004 aluminum alloys provide excellent formability and weldability, with 3004 offering higher strength for demanding structural applications.
- Temper Selection: H24 (strain-hardened and partially annealed) for balanced strength and ductility; H18 (full hard) for maximum rigidity in flat or low-slope roofs.
- Dimensions: Thickness from 0.3 mm to 1.5 mm, widths from 600 mm to 1250 mm, and lengths can be customized up to 6000 mm to minimize waste.
- Surface Finish: Available in mill finish, embossed patterns (e.g., diamond, stucco), or coated with PVDF or polyester for enhanced UV resistance and color retention.
- Corrosion Resistance: Natural oxide layer protects against moisture, salt spray, and industrial pollutants; ideal for coastal and urban environments.
- Lightweight: Approximately 2.7 g/cm³ density, reducing structural load and simplifying installation compared to steel sheets.
- Fire Safety: Non-combustible material with high melting point, contributing to building fire ratings.
- Recyclability: 100% recyclable at end of life, supporting sustainable construction goals.
Typical Mechanical Properties (Reference)
| Property | 3003 H24 | 3004 H18 |
|---|---|---|
| Tensile Strength (MPa) | 145–185 | 260–310 |
| Yield Strength (MPa) | 110–130 | 230–280 |
| Elongation (%) | 8–12 | 3–6 |
| Hardness (HB) | 40–50 | 70–85 |
Advantages for Commercial & Residential Use
- Cost-Effective: Lower material cost compared to copper or stainless steel, with long service life reducing replacement frequency.
- Easy Fabrication: Can be cut, curved, and formed on-site without specialized equipment.
- Low Maintenance: No rusting or flaking; periodic cleaning maintains appearance.
- Weather Resistance: Performs well under extreme heat, cold, and UV exposure.
- Versatile Aesthetics: Compatible with standing seam, corrugated, and tile-profile roofing systems.
- Energy Efficiency: Reflective surface reduces heat absorption, lowering cooling costs in warm climates.
Trust & Reliability – As a manufacturer with ISO9001, ISO14000, and OHSAS18001 certifications, we adhere to strict quality control throughout production. Our annual export value exceeds US$50 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship from major ports such as Tianjin, Shanghai, Qingdao, and Ningbo, ensuring timely delivery. With over 100 employees and a dedicated R&D team, we continuously improve our products to meet evolving construction demands. Choose Wuxi Yansheng Technology for your next roofing project – contact us today for a quote or sample.
Frequently Asked Questions (FAQ)
Q1: What is the difference between 3003 H24 and 3004 H18?
3003 H24 offers moderate strength and good formability, ideal for curved or shaped panels. 3004 H18 provides higher strength and hardness, suitable for flat roofs requiring extra rigidity.
Q2: Can I get custom dimensions?
Yes, we offer custom thickness, width, and length up to 6000 mm. Minimum order quantities may apply for custom sizes.
Q3: Are these sheets suitable for coastal areas with salt air?
Absolutely. Aluminum naturally resists corrosion from salt spray. We recommend a thicker oxide or coated finish for enhanced protection.
Q4: What surface finishes are available?
We provide mill finish, embossed (diamond/stucco), PVDF coated, and polyester painted surfaces in various colors.
Q5: How do you package the sheets for export?
Sheets are packed in wooden crates or steel bundles with protective interleaving paper to prevent scratches during transit.
Q6: What is the typical lead time?
Standard sizes: 15–25 days after deposit. Custom orders may require 25–35 days, depending on quantity and specifications.
Q7: Do you provide samples?
Yes, we offer free samples (freight collect) for quality evaluation. Contact our sales team with your requirements.
Q8: Are your products compliant with international standards?
Our manufacturing follows ASTM B209 and EN 485 standards. We can also provide mill test certificates upon request.
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