Price range: $38.50 through $231.00
3″ × 3″ × 7 ga (.180″) Stainless Steel Square Tube is manufactured from austenitic Type 304 stainless steel and supplied in a standard mill finish. This square structural tubing features a 3-inch outside width and height with a 0.180-inch wall thickness, providing a strong balance of rigidity and weight. Type 304 stainless steel offers excellent corrosion resistance, durability, and formability, making this square tube suitable for structural, architectural, and general fabrication applications in indoor, outdoor, and mildly corrosive environments.
Applications:
Stainless Steel 304 square tube is commonly used in structural and fabrication applications, including:
• Structural framing and supports
• Architectural and decorative metalwork
• Handrails, guardrails, and safety barriers
• Equipment frames and machine bases
• Industrial platforms, racks, and supports
• Marine, outdoor, and food-service environments requiring corrosion resistance
Advantages:
• Corrosion resistant: 304 stainless steel resists rust and oxidation in many environments
• Strong and rigid: 7 ga (.180″) wall thickness provides excellent structural strength
• Square profile: Offers uniform strength and clean aesthetics for fabrication
• Weldable and formable: Easily cut, welded, and machined using standard stainless processes
• Mill finish: Clean, industrial appearance suitable for fabrication or further finishing
Summary:
The 3″ × 3″ × 7 ga (.180″) Stainless Steel 304 square tube is a durable, corrosion-resistant structural material designed for industrial, architectural, and general fabrication use. Its robust wall thickness, square profile, and reliable performance make it an excellent choice for framing, supports, and long-lasting stainless steel assemblies in demanding environments.
* 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:
