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Help CenterAluminum Coil 3003 H14 With 1 Year Warranty and Mill Test Report Available
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Welcome to Shandong Sino Steel Co., Ltd. – your reliable partner for premium aluminum products. As a manufacturer established in 2018 with a factory size of 10,000–30,000 square meters and over 100 skilled employees, we specialize in producing high-quality aluminum coils. Our Aluminum Coil 3003 H14 is designed to meet the rigorous demands of industrial applications, ensuring durability, excellent formability, and corrosion resistance. Each coil comes with a 1-year warranty and a Mill Test Report (MTR) for full traceability, giving you complete confidence in your material selection.
Our 3003 H14 aluminum coil is a popular choice for roofing, siding, gutters, chemical equipment, and transportation components. The 3003 alloy belongs to the 3xxx series (manganese alloyed), offering moderate strength and excellent workability. The H14 temper provides a half-hard state that balances strength and ductility, making it ideal for bending, stamping, and forming operations. With our in-house production lines and strict quality control, every coil meets international standards.
Key Features & Technical Specifications
- Alloy & Temper: 3003 H14 – excellent corrosion resistance and weldability.
- Thickness Range: From 0.2 mm to 6.0 mm, with tight tolerances (±0.02 mm).
- Width Range: 100 mm to 2600 mm, slit according to your requirements.
- Inner Diameter: Available in 300 mm, 400 mm, or 500 mm to fit your feeding equipment.
- Surface Finish: Mill finish, or coated with PVDF, polyester, or embossed patterns (customizable).
- Mechanical Properties: Typical tensile strength 145–200 MPa, yield strength 125–180 MPa, elongation 15–20%.
- Warranty: 1 year against manufacturing defects.
- Mill Test Report: Provided with every shipment for chemical composition and mechanical testing.
| Parameter | Specification | Notes |
|---|---|---|
| Alloy | 3003 | Manganese alloyed |
| Temper | H14 | Half-hard, good formability |
| Thickness | 0.2 – 6.0 mm | Customizable |
| Width | 100 – 2600 mm | Slit per order |
| Inner Diameter | 300 / 400 / 500 mm | Optional |
| Tensile Strength | 145 – 200 MPa | Typical |
| Yield Strength | 125 – 180 MPa | Typical |
| Elongation | 15 – 20% | Typical |
Compared to lower grades, our 3003 H14 coil offers superior corrosion resistance in marine and industrial environments, while maintaining excellent weldability. It is also non-heat treatable, which means its mechanical properties remain stable after forming. This makes it a preferred material for chemical tanks, fuel lines, and heat exchangers. The H14 temper ensures that the coil is stiff enough to hold shape but soft enough to be bent without cracking.
Why Choose Shandong Sino Steel?
- Direct Manufacturer: Over 10,000 sqm factory, 101–200 employees, and annual export value of US$2.5–5 million.
- Global Reach: Serving markets across North America, South America, Europe, Africa, Asia, and more.
- Quality Assurance: ISO9000 and ISO19011:2000 certified, with Mill Test Reports for every coil.
- Flexible Shipping: Available from Qingdao, Tianjin, or Shanghai ports with efficient logistics.
- After-Sales Support: 1-year warranty and responsive customer service team.
We understand that each project has unique requirements. That’s why we offer customizable thickness, width, and surface treatments. Need a coil with a specific inner diameter or special packaging? Our team works closely with you to ensure the product fits your machinery and production line. The Mill Test Report included with every shipment gives you full traceability on chemical composition (Si, Fe, Cu, Mn, Mg, etc.) and mechanical properties, so you can verify compliance with your specifications.
Since our founding in 2018, we have built a reputation for reliability and quality. Our overseas office ensures smooth communication with international clients, and our main markets span from North America to Southeast Asia. With a skilled workforce and modern production equipment, we deliver consistent quality batch after batch. The 1-year warranty further underscores our commitment to your satisfaction – any manufacturing defects will be addressed promptly.
Ready to source your aluminum coil 3003 H14? Contact us today for a quote, and we will provide the Mill Test Report, competitive pricing, and professional service. Choose Shandong Sino Steel – where quality meets value.
Frequently Asked Questions (FAQ)
-
Q: What is 3003 H14 aluminum coil?
A: 3003 is a manganese alloyed aluminum with good corrosion resistance and moderate strength. H14 is a half-hard temper, offering a balance of strength and formability. -
Q: What does the Mill Test Report contain?
A: The MTR includes chemical composition (element percentages), mechanical properties (tensile, yield, elongation), and thickness measurements, certified by our quality team. -
Q: Is the 1-year warranty applicable to all defects?
A: The warranty covers manufacturing defects in material and workmanship. It does not cover damage from improper use or alteration. Full terms are available on request. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is typically 5 tons. For customized dimensions, please contact us to discuss. -
Q: How is the coil packaged for export?
A: Each coil is secured with steel strapping, wrapped in waterproof paper or plastic, and packed in wooden crates or pallets suitable for sea freight. -
Q: Can you supply coils with a specific width or inner diameter?
A: Yes, we offer customization. Please provide your requirements, and we will confirm feasibility. -
Q: What are the typical applications of 3003 H14 coil?
A: It is widely used for roofing, siding, gutters, chemical equipment, fuel tanks, transportation, and heat exchangers. -
Q: How long does shipping take from China?
A: Shipping time depends on destination. Typically 20–30 days for sea freight to major ports. We ship from Qingdao, Tianjin, or Shanghai.
Contact Shandong Sino Steel Co., Ltd. for a quotation or technical support. We are committed to delivering high-quality aluminum coils with full documentation and peace of mind.
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