Exploring 1.5-inch square aluminum tubes reveals durable, lightweight options for frames, mechanical assemblies, and decorative builds. This guide highlights five top picks with 1.5″ x 1.5″ profiles, 0.08–0.125 inch wall thickness, and 6063 aluminum for corrosion resistance and smooth finishes. Each product includes practical uses, highlights from features, and sizing details to help you choose the right tube for DIY, fabrication, or industrial-style projects.
| Product | Length | Wall Thickness | Key Benefit |
|---|---|---|---|
| 80/20 Structural Aluminum Tube (89″) | 89 in | 0.125 in | Seamless, anodized, ideal for 80/20 framing systems |
| MECCANIXITY 10″ Square Tubing | 10 in | 0.08 in | Lightweight, rust-resistant for small builds |
| MECCANIXITY 16″ Square Tubing | 16 in | 0.08 in | Rigid frame member for furniture or robotics |
| Harness Machine 36″ Square Tube | 36 in | 0.125 in | Durable, easy to weld for fabrication |
| MSP Metals 12″ Square Tubing | 12 in | 0.125 in | Architectural grade finish, corrosion resistant |
80/20 RT Structural Aluminum Tube – 89″
This structural seamless square measures 1-1/2″ x 1-1/2″ with a 1/8″ wall thickness. The 6063-T6 aluminum with a clear anodize finish supports rigid framing in DIY projects, machinery housings, and architectural details. Clean square cuts fit smoothly into 80/20 framing systems and accessory components. Common applications include industrial fittings, frames, and decorative frames for backyards or models.
MECCANIXITY 10″ Square Tubing
Designed for construction, home decor, or industry machinery, this 1.5″ x 1.5″ tube has a 0.08″ wall and uses 6063 aluminum (T5). Pack includes two pieces with a silver-tone finish. The tubing offers rust resistance, lightweight handling, and a smooth surface to ease framing, cabinets, or model builds. Its square profile ensures straightforward alignment with connectors and brackets for rapid prototyping.
MECCANIXITY 16″ Square Tubing
This 1.5″ x 1.5″ x 16″ square tube features a 0.08″ wall and 6063 aluminum (T5) for durability. The package includes two tubes. It resists rust while maintaining a light footprint, making it suitable for frames, furniture projects, shelving, or decorative installations requiring rigid, clean lines and a smooth edge finish for safe handling.
80/20 RT Structural Tube – 60″
Another 1-1/2″ x 1-1/2″ seamless square with 1/8″ wall thickness, using 6063-T6 aluminum with a clear anodize. Its length benefits projects needing a mid-length structural element for frames, workstations, or portable rigs. The tube supports general framing, DIY projects, and mechanical components with reliable rigidity and clean appearance.
80/20 RT Structural Tube – 1.5″ x 1.5″ Profile
This 1-1/2″ x 1-1/2″ tube with 1/8″ wall thickness uses 6063-T6 aluminum and a clear anodize. It’s suitable for DIY projects, model frames, cabinetry, and industrial fittings. The seamless design provides uniform strength, clean edges, and compatibility with standard connectors and joints used in 80/20 systems.
Harness Machine & Fab 12″ Square Tube
This 1.5″ x 1.5″ tube uses 6063 T52 aluminum, delivering a durable, corrosion-resistant profile with easy welding. The 12″ length makes it ideal for compact frames, brackets, or end caps in small fabricated assemblies. Its square geometry supports stable, precise mounting and alignment in many DIY and professional settings.
Buying Guide
Key considerations when selecting 1.5″ square aluminum tubing include material grade, wall thickness, length, and compatibility with hardware. Look for 6063 aluminum for good corrosion resistance and a smooth finish suitable for welding and finishing. Wall thickness enhancements from 0.08″ to 0.125″ increase rigidity but add weight. Longer tubes are useful for frames and structural supports, while shorter lengths fit modular designs and quick prototypes.
Important features to compare:
– Finish: anodized vs bare aluminum impacts corrosion protection and aesthetics.
– Tolerances: ensure square profiles are true to avoid misalignment in joints.
– Compatibility: verify connectors, brackets, and 80/20 or similar systems work with the tubing.
– Handling and safety: smooth edges and rust resistance improve handling during fabrication.
– Applications: choose based on whether you need architectural framing, DIY crafts, or industrial machinery enclosures.
Durability and ease of fabrication vary with length and thickness. For weight-sensitive builds, prefer the 0.08″ wall thickness tubes, then reinforce with longer members where strength is critical. For decorative or architectural applications, prioritize a clean finish and precise corners. In professional fabrication, consider availability of matching connectors and the ability to weld or anodize as part of the workflow.
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