6063 aluminum square bar is a premium, medium-strength alloy known as “architectural aluminum” for its smooth surface and exceptional anodizing properties. This material provides excellent corrosion resistance and is easy to form and machine. Commonly supplied in T5 and T6 tempers, it offers a reliable solution for applications where a flawless finish and solid structure are essential.
Linsy 6063 aluminum square bar is a premium, medium-strength alloy known as “architectural aluminum” for its smooth surface and exceptional anodizing properties. This material provides excellent corrosion resistance and is easy to form and machine. Commonly supplied in T5 and T6 tempers, it offers a reliable solution for applications where a flawless finish and solid structure are essential.
| Alloy | Temper | KG/M (Max) | Length (mm) |
| 6063 Alu. Square Bar | T5,T6 | 300 | 5-20,000 |
| Support customization | |||
| Element | Percentage % |
| Si | 0.2-0.6 |
| Fe | 0.35 Max |
| Cu | 0.1 Max |
| Mn | 0.1 Max |
| Mg | 0.45-0.9 |
| Cr | 0.1 Max |
| Zn | 0.1 Max |
| Ti | 0.1 Max |
| Others/Each | 0.05 |
| Others/Total | 0.15 |
| AI | Reminder |
| Aluminum | 6063 |
| Tensile Strength (T6) | 240-260 Mpa |
| Elongation at Break % | 12 |
| Yield Strength (T6) | 210-230 Mpa |
As a premier leader in aluminum manufacturing, Linsy Aluminum delivers top-quality 6063 aluminum square bars, 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 bars in various diameters and lengths, 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 6063 aluminum square bars for aerospace, automotive, and 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.