Price range: $6.19 through $22.12
1″ x 1″ x 11 gauge (.120″ wall) square steel tubing is manufactured from ASTM A500 steel, a cold-formed carbon steel specification designed for structural and heavy-duty applications. This hollow structural section (HSS) features a compact square profile with a thicker wall, providing increased strength, rigidity, and durability compared to lighter gauges. Typically produced in Grade B, it offers excellent weldability, precise dimensional consistency, and dependable performance for more demanding fabrication and structural projects.
Applications:
1″ square steel tubing (11ga) is commonly used in:
• Reinforced frames, supports, and brackets
• Heavy-duty furniture and industrial shelving
• Gates, railings, and security structures
• Equipment enclosures and protective guards
• Automotive fabrication and custom builds
• Industrial and commercial metalwork requiring extra strength
Advantages:
• Increased strength: Thicker wall (.120″) supports heavier loads and resists bending
• Durable construction: Ideal for structural and high-stress applications
• Excellent weldability: Compatible with MIG, TIG, and stick welding
• Versatile fabrication: Can be cut, drilled, and modified easily
• Consistent quality: Manufactured for uniform dimensions and reliable fit
Summary:
The 1″ x 1″ x 11 gauge ASTM A500 square steel tube is a strong, durable solution for light- to medium-duty structural projects requiring extra rigidity. Its thicker wall, combined with excellent weldability and versatility, makes it ideal for reinforced frames, supports, and demanding fabrication applications.
* Prices are subject to change without notice due to fluctuations in the metals market. | All “Value Length” and “Value Pack” item measurements are subject to standard mill tolerances. | Products may be manufactured several thousandths of an inch over or under the stated dimensions and still be within acceptable mill tolerances. All bar, tube, structural, pipe, sheet, plate, and similar products sold on our website are custom cut to the lengths and sizes selected by the customer at the time of purchase. These are not stocked as pre-cut items. Because each order is cut specifically to customer specifications, all cut materials are considered custom products and are not eligible for cancellation, return, or exchange once production has begun. Our standard cutting tolerances are:
