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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your trusted partner in high-performance aluminum products. Our 7075-T651 Aluminum Rod 2 Inch Diameter ASTM B211 Extruded Round Bar is engineered for demanding applications where strength, durability, and precision are non-negotiable. As a company with ISO9001 certification and annual export value exceeding US$50 million, we deliver consistent quality that meets global standards. This extruded round bar combines the exceptional strength of 7075 alloy with the stress-relieved T651 temper, ensuring excellent machinability and dimensional stability for your critical components.
Our 7075-T651 aluminum rod is manufactured through a precise extrusion process, followed by heat treatment and artificial aging (T651) to optimize mechanical properties. The 2-inch diameter provides a versatile cross-section suitable for a wide range of machining operations, from aerospace fittings to automotive parts. Strict compliance with ASTM B211 guarantees reliable chemical composition, tensile strength, and dimensional tolerances.
Key Features & Technical Specifications
| Parameter | Value |
|---|---|
| Alloy / Temper | 7075-T651 |
| Diameter | 2.000 inch (50.8 mm) ± 0.005 inch |
| Standard | ASTM B211 (AMS 4122, QQ-A-225/9 equivalent) |
| Tensile Strength (min) | 73,000 psi (503 MPa) |
| Yield Strength (min) | 63,000 psi (434 MPa) |
| Elongation | 7% min (in 2 inches) |
| Hardness (Brinell) | 150 HB typical |
| Length Options | 12 ft, 20 ft, or custom lengths (up to 3000 mm) |
Product Advantages & Customer Benefits
- Exceptional Strength-to-Weight Ratio: 7075 is one of the strongest aluminum alloys available, offering comparable strength to some steels while being significantly lighter. This reduces overall component weight without sacrificing load capacity.
- Stress-Relieved T651 Temper: The T651 temper includes stress relief by stretching, which minimizes distortion during machining and ensures stable dimensions. Ideal for parts that require tight tolerances.
- Excellent Machinability: Despite its high strength, 7075-T651 can be machined efficiently with proper tooling. It produces good surface finish and chip control, reducing cycle time and tool wear.
- Precision Sizing: Each rod is extruded and straightened to meet ASTM B211 tolerances (±0.005 inch on diameter). Consistent dimensions reduce scrap and rework in your production.
- Wide Application Range: Commonly used in aerospace structures (wing spars, fuselage frames), automotive suspension components, military equipment, and high-performance sporting goods.
- Corrosion Resistance: While 7075 is not as corrosion-resistant as 6061, it can be anodized or painted for enhanced protection. Our rods are available with optional anodized surface finish.
- Customizable Lengths: We supply rods in standard lengths (12 ft, 20 ft) or cut to your exact requirements, minimizing waste and handling costs.
Typical Chemical Composition (Weight %)
| Element | Percentage |
|---|---|
| Zinc (Zn) | 5.1 – 6.1 |
| Magnesium (Mg) | 2.1 – 2.9 |
| Copper (Cu) | 1.2 – 2.0 |
| Iron (Fe) | 0.50 max |
| Silicon (Si) | 0.40 max |
| Manganese (Mn) | 0.30 max |
| Aluminum (Al) | Remainder |
Our inventory management ensures fast delivery – we maintain a large stock of 7075-T651 round bars in various diameters, including the popular 2-inch size. For bulk orders or custom specifications, contact our sales team for competitive pricing and lead times.
Why Choose Hemaokang Steel?
With ISO9001 certification and a dedicated team of 51–100 experienced professionals, we have built a reputation for reliability and quality. Our annual export value of US$50–100 million reflects the trust of customers across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Every 7075-T651 aluminum rod we ship is traceable to its mill test report, ensuring full compliance with ASTM B211. We are committed to providing not just products, but solutions – from technical support to customized packaging. Whether you need a single rod for a prototype or a container load for production, we are ready to serve. Contact us today to place your order or request a quotation. Experience the Hemaokang difference – where quality meets value.
Frequently Asked Questions
-
Q: What is the difference between 7075-T651 and 7075-T6?
A: Both have similar mechanical properties, but T651 includes an additional stress relief step (stretching) after solution heat treatment. This reduces internal stresses and improves dimensional stability during machining, making T651 preferred for parts requiring tight tolerances. -
Q: Can this rod be welded?
A: 7075 aluminum is generally not recommended for welding due to its high alloy content, which can lead to cracking. Mechanical joining (fasteners, rivets) or adhesive bonding is typically used. If welding is necessary, special procedures and filler materials may be required – consult a welding engineer. -
Q: What surface finishes are available?
A: Standard finish is mill finish (as extruded). We also offer brushed, polished, or clear anodized finishes upon request. Anodizing improves corrosion resistance and wear. -
Q: What is the typical lead time for 2-inch diameter rods?
A: For standard lengths (12 ft or 20 ft), we usually ship within 7–14 days. Custom lengths or large quantities may require 3–4 weeks. Please contact us for current stock status. -
Q: Do you provide a mill test report (MTR)?
A: Yes, every shipment includes a certified MTR per ASTM B211, detailing chemical composition, mechanical properties, and heat treatment parameters. -
Q: Is this rod suitable for aerospace applications?
A: Yes, 7075-T651 is widely used in aerospace structural components. It meets AMS 4122 requirements, which is equivalent to ASTM B211. However, please verify with your specific aerospace standard (e.g., AMS, Boeing, Airbus). -
Q: Can you cut the rod to specific lengths?
A: Absolutely. We can cut to your required length with a tolerance of ±2 mm. Custom cutting service is available with no minimum order quantity for cutting. -
Q: What packaging options are available for export?
A: We use sturdy wooden crates or steel-bundled pallets, with protective wrapping to prevent surface damage. Custom packaging with your company logo is also possible for bulk orders.
For more information or to place an order, email us at sales@hemaokangsteel.com or call +86-635-XXX-XXXX. Our team is ready to assist you with technical advice and competitive pricing.
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