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Help Center7075 Aluminum Rod 20mm-300mm Diameter 7075-T651 High Strength 580MPa
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As a leading manufacturer based in Qingdao, China, Shandong Sino Steel Co., Ltd. specializes in the production of high-quality aluminum rods. Our 7075 Aluminum Rod 20mm-300mm Diameter 7075-T651 High Strength 580MPa is engineered to meet the rigorous demands of the aerospace, automotive, and industrial sectors. With an annual export value exceeding US$2.5 million and a dedicated factory spanning 10,000–30,000 square meters, we deliver consistent quality and reliable supply worldwide.
This product combines the exceptional strength of the 7075 alloy with the stress-relieved T651 temper, ensuring superior mechanical properties and dimensional stability. Whether you need precision shafts, structural supports, or mold components, our 7075-T651 rod offers outstanding performance in high-stress applications.
Below we detail the key features, specifications, and benefits that make this product a preferred choice for demanding projects.
Key Features & Technical Specifications
- Ultra-High Strength: Minimum tensile strength of 580 MPa, comparable to many steels while being approximately one-third lighter.
- Precision Diameter Range: Available from 20mm to 300mm, with tight tolerances as per ASTM B211 standards.
- T651 Temper: Solution heat-treated, stress-relieved by stretching, and artificially aged to optimize strength and reduce residual stress.
- Excellent Machinability: The T651 temper provides good chip formation and surface finish, ideal for high-speed CNC machining.
- Corrosion Resistance: While not as corrosion-resistant as 6xxx series, 7075 offers adequate performance in many environments, and can be anodized or coated for enhanced protection.
- Wide Application: Used in aircraft structural parts, missile components, automotive high-stress frames, rock climbing equipment, and mold bases.
- Custom Sizes: We offer cut-to-length options and can supply rods in standard lengths of 3000mm or 6000mm, or custom lengths per your request.
- Reliable Supply Chain: With a 100+ employee team and multiple overseas offices, we ensure timely delivery from Qingdao, Tianjin, or Shanghai ports.
| Parameter | Value |
|---|---|
| Alloy | 7075 |
| Temper | T651 |
| Diameter | 20mm – 300mm |
| Length Tolerance | ±5mm (standard); ±1mm (precision) |
| Tensile Strength | ≥ 580 MPa |
| Yield Strength | ≥ 505 MPa |
| Elongation | ≥ 7% |
| Hardness (Brinell) | 150 HB |
| Density | 2.81 g/cm³ |
What Makes 7075-T651 Aluminum Rod Stand Out?
The 7075 alloy is one of the highest-strength aluminum alloys available. When combined with the T651 temper, it offers an excellent strength-to-weight ratio, making it ideal for components that must endure heavy loads without adding excessive weight. The stress-relieving process ensures dimensional stability during and after machining, reducing the risk of warping or distortion.
Compared to 6061 or 2024 alloys, 7075-T651 provides significantly higher tensile strength, though it is less weldable. For applications where welding is not required, 7075 is the superior choice for achieving maximum performance.
Our rods are manufactured using state-of-the-art extrusion and heat treatment processes, with strict quality control at every stage. Each batch is tested for mechanical properties, and we can provide mill test certificates upon request.
Trusted by Global Industries
Shandong Sino Steel Co., Ltd. has been serving international markets since 2018. Our products are exported to North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and across Asia and Europe. With ISO9000 and ISO19011:2000 certifications, we maintain a robust quality management system that ensures consistent product excellence.
Our factory employs 101–200 experienced workers, and we have overseas offices to facilitate communication and after-sales support. We understand that reliability is crucial for your business, which is why we offer flexible shipping options from Qingdao, Tianjin, and Shanghai ports, with lead times as short as 7–15 days for standard sizes.
When you choose our 7075 Aluminum Rod, you are partnering with a manufacturer that prioritizes quality, precision, and customer satisfaction. We invite you to experience the difference that comes from a dedicated supplier with a strong global footprint.
Contact us today for a quote or to discuss your specific requirements. Let us help you achieve your project goals with our high-strength aluminum solutions.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between 7075-O and 7075-T651?
A: 7075-O is the annealed (soft) condition, offering lower strength and better formability. 7075-T651 is solution heat-treated and stress-relieved, providing much higher strength (580 MPa tensile) and dimensional stability, ideal for machined parts that require high load-bearing capacity. -
Q: Can you supply rods longer than 6 meters?
A: Yes, we can provide custom lengths beyond 6 meters, subject to production capabilities and shipping feasibility. Please contact our sales team with your exact requirements. -
Q: Is this rod suitable for welding?
A: 7075 aluminum is generally not recommended for welding due to its susceptibility to hot cracking and loss of strength in the heat-affected zone. If welding is required, we suggest considering 6061 or 5083 alloys. For mechanical joining, 7075 performs excellently. -
Q: Do you provide surface treatment like anodizing?
A: Yes, we can arrange anodizing (clear or colored), hard anodizing, or other coatings as an additional service. However, the standard product is supplied in mill finish. Please specify your surface finish requirements when ordering. -
Q: What is the typical lead time for standard diameters?
A: For commonly stocked diameters (e.g., 25mm, 50mm, 100mm), lead time is usually 7–10 working days. For non-standard diameters up to 300mm, lead time is 15–20 working days depending on quantity. -
Q: Do you offer test certificates?
A: Absolutely. We can provide a mill test certificate (MTC) confirming chemical composition and mechanical properties, as well as third-party inspection reports if required. This is part of our quality assurance commitment. -
Q: Can I order a small quantity for prototyping?
A: Yes, we welcome small trial orders. Our minimum order quantity (MOQ) is flexible for first-time customers. Contact us to discuss your project needs. -
Q: How do you ensure the rod is straight and free from internal stress?
A: The T651 temper includes a stress-relieving step (stretching) after solution heat treatment, which significantly reduces internal stress. Additionally, we perform straightening and quality checks to ensure the rod meets straightness tolerances specified in ASTM B211.
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