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Help Center7075 Aluminum Round Bar 10mm-200mm Diameter T6511 High Strength for Aerospace
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Shandong Sino Steel Co., Ltd., a professional manufacturer established in 2018 with a factory spanning 10,000–30,000 square meters, proudly presents our 7075 Aluminum Round Bar 10mm-200mm Diameter T6511 High Strength for Aerospace. This product is engineered to meet the demanding requirements of the aerospace industry, offering exceptional strength-to-weight ratio and excellent fatigue resistance. As a direct manufacturer, we control every step of production from raw material selection to final inspection, ensuring consistent quality and reliable performance.
Our 7075 aluminum round bar is supplied in the T6511 temper, which combines solution heat treatment, stress relief, and artificial aging to deliver superior mechanical properties. Available in diameters from 10mm to 200mm, it is ideal for structural components, aircraft fittings, and high-stress parts. Below we detail the key features, technical specifications, and benefits that make this product a preferred choice for manufacturers worldwide.
Key Features & Advantages
- Exceptional Strength: 7075 alloy offers one of the highest strength levels among aluminum alloys, comparable to some steels while being much lighter.
- Stress-Relieved T6511 Temper: Reduces internal residual stresses, improving dimensional stability during machining and reducing warpage.
- Wide Diameter Range: From 10mm to 200mm, available in standard stock lengths or cut to your required size.
- Excellent Machinability: Good chip formation and surface finish after machining, suitable for complex geometries.
- Good Fatigue Resistance: Ideal for cyclic loading applications such as aircraft landing gear components.
- Corrosion Resistance: While not as corrosion-resistant as 6061, it can be anodized or coated for enhanced protection.
- Customizable Options: Length, surface treatment (anodizing, painting), and packaging can be tailored to order.
Typical Mechanical Properties (T6511 Temper)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 570 MPa |
| Yield Strength (0.2% offset) | ≥ 500 MPa |
| Elongation | ≥ 7% |
| Hardness (Brinell) | 150 HB |
| Density | 2.81 g/cm³ |
Note: The above values are typical for the T6511 condition and may vary slightly depending on diameter. Full test certificates are available upon request.
Technical Specifications & Dimensional Tolerances
| Parameter | Specification |
|---|---|
| Alloy | 7075 |
| Temper | T6511 |
| Diameter Range | 10mm – 200mm |
| Diameter Tolerance | ±0.05mm (for 10-50mm); ±0.10mm (for 50-200mm) |
| Length | 3000mm, 6000mm, or custom |
| Straightness | ≤ 1.5mm per meter |
| Surface Finish | Smooth, free of cracks and defects |
Applications & Customer Benefits
- Aerospace Structures: Used in wing spars, fuselage frames, and bulkheads where high strength is critical.
- Military & Defense: Components for missiles, armored vehicles, and weapon systems.
- Automotive Racing: Lightweight suspension parts, driveshafts, and chassis components.
- General Engineering: High-stress precision parts, molds, and tooling fixtures.
- Reduced Weight: Compared to steel, 7075 aluminum allows weight savings of up to 60% without sacrificing strength.
- Cost-Effective: As a manufacturer, we offer competitive pricing and direct supply, eliminating middlemen.
Trust & Credibility: Shandong Sino Steel Co., Ltd. is a certified manufacturer with ISO9000 and ISO19011:2000 quality management systems. Our factory spans 10,000–30,000 square meters with 101–200 skilled employees, and we export to markets across North America, South America, Europe, Asia, Africa, and the Middle East. With an annual export value of US$2.5–5 million, we have established long-term partnerships with aerospace and industrial clients. Our port of shipment includes Qingdao, Tianjin, and Shanghai, ensuring efficient logistics. We are committed to providing consistent quality, competitive pricing, and reliable delivery. Contact us today for a quote or technical consultation!
Frequently Asked Questions (FAQ)
1. What is the difference between 7075-T6511 and 7075-T6?
Both are heat-treated. T6511 includes stress relief by stretching, which reduces residual stress and improves dimensional stability, especially for precision machining. T6 does not have the stress relief step.
2. Can you provide cut-to-length bars?
Yes, we offer custom cutting services. Please specify your required length when ordering. Standard lengths are 3000mm and 6000mm, but we can cut to any length between 100mm and 6000mm.
3. What is the minimum order quantity (MOQ)?
For standard diameters, MOQ is 100 kg. For non-standard sizes or special surface treatments, MOQ may be higher. Please contact our sales team for details.
4. Do you offer any surface treatment like anodizing?
Yes, we can provide clear anodizing, black anodizing, or other coatings as per your requirements. Anodizing enhances corrosion resistance and appearance.
5. How do you ensure the quality of the bars?
We perform in-house chemical composition analysis, tensile testing, and dimensional inspection. Mill test certificates are issued with each batch. Our ISO9000 and ISO19011:2000 certifications guarantee consistent quality control.
6. What is the typical lead time for an order?
For stock sizes, lead time is 7–10 days after order confirmation. For custom sizes, it is usually 15–20 days, depending on the quantity.
7. Can I get a sample before placing a bulk order?
Yes, samples are available. You will need to cover the shipping cost. Sample orders can be processed quickly.
8. Which ports do you ship from?
We ship from Qingdao, Tianjin, and Shanghai. We can also arrange door-to-door delivery for certain destinations.
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