7075 aluminum square tube is a premium-grade alloy, celebrated for having one of the highest strength-to-weight ratios in the industry. As a heat-treatable material with zinc as its primary alloying element, it delivers strength and hardness comparable to steel, making it ideal for the most demanding structural applications. Commonly supplied in the T6 and T651 tempers, its precise dimensions and uniform strength ensure peak performance.
Linsy 7075 aluminum square tube is a premium-grade alloy, celebrated for having one of the highest strength-to-weight ratios in the industry. As a heat-treatable material with zinc as its primary alloying element, it delivers strength and hardness comparable to steel, making it ideal for the most demanding structural applications. Commonly supplied in the T6 and T651 tempers, its precise dimensions and uniform strength ensure peak performance.
| Alloy | Temper | KG/M (Max) | Length (mm) |
| 7075 Alu. Square Tube | F, O, T6, T651, T7451, H112 | 180 | 5-20,000 |
| Support customization | |||
| Element | Percentage % |
| Si | 0.4 Max |
| Fe | 0.5 Max |
| Cu | 1.2-2.0 |
| Mn | 0.3 Max |
| Mg | 2.1-2.9 |
| Cr | 0.18-0.28 |
| Zn | 5.1-6.1 |
| Ti | 0.2 Max |
| Zr | 0.25 Max |
| AI | Reminder |
| Aluminum | 7075 |
| Tensile Strength, Ultimate | 240-590 MPa |
| Tensile Strength, Yield | 120-510 MPa |
| Elongation at Break % | 1.8-12 |
| Shear Strength | 150-340 MPa |
As a premier leader in aluminum manufacturing, Linsy Aluminum delivers top-quality 7075 aluminum square tubes, certified to ISO 9001, ASTM B221, GB/T 3190, AMS, and JIS standards.
With over 20 years of expertise and a 300,000-ton annual production capacity, we maintain a vast inventory of structural profiles, supporting custom dimensions and low MOQs. Our dedicated team ensures swift delivery to 20+ countries, competitive pricing, and outstanding after-sales support. Choose Linsy’s durable, corrosion-resistant 7075 aluminum square tubes for aerospace, automotive, and high-load industrial applications. Get a Quick Quote Today!
Linsy Advantages
Linsy Aluminum is a leading supplier of aluminum processing products, serving diverse industries including aerospace, general engineering, automotive, marine, shipbuilding and other specialized industrial applications.
We are committed to maintaining the highest standards of quality and environmental responsibility, as demonstrated by our certifications: ISO 9001:2008， ISO 14001:2004 and SGS.
