Square Tube: 3/4" Width x 3/4" Height x 1/16" Thickness - 5/8" Inside Width - 6063-T5 Aluminum

Square Tube: 3/4" Width x 3/4" Height x 1/16" Thickness - 5/8" Inside Width - 6063-T5 Aluminum Product Information

Square Tubes offer a clean, strong profile for structural framing, mounting, and fabrication. With smooth sides and sharp corners, these aluminum tubes are easy to cut, weld, and machine, making them ideal for everything from industrial supports to custom furniture. Their corrosion-resistant finish ensures long-term performance in indoor and outdoor builds.

Highlights

• Rigid Structural Shape – Delivers strength and stability for frames, supports, and braces.
• Clean, Uniform Sides – Perfect for flush joints and right-angle connections.
• Fabrication Friendly – Easy to drill, cut, or weld for precise assembly.
• Aluminum Durability – Resists rust and wear in demanding environments.
• Used Across Industries – Common in construction, furniture, displays, and framing systems.

Need custom sizes or extrusions? Check out our customization services.

• Width:3/4"
• Height:3/4"
• Wall Thickness:1/16"
• Inside Width:5/8"
• Alloy & Temper:6063-T5
• Specification Met:ASTM B221-14
• Yield Strength:16k PSI-1
• Hardness:Brinell 55
• RoHS:RoHS 3 (2017/2102/EU) Compliant
• REACH:REACH (EC 1907/2006) (06/25/2020, 209 SVHC) Compliant
• DFARS:Specialty Metals COTS-Exempt
• Country of Origin:United States of America
• Materials:See Specification
Aluminium 95.1%
Chromium 0-.1%
Copper 0-0.1%
Iron 0-0.7%
Magnesium 0.45-.90%
Manganese 0-0.10%
Silicon 0.2-0.6%
Titanium 0-0.1%
Zinc 0-0.10%
Other 0.05-0.15%