Stainless Steel Square Tube 304 - 3 Inches X 0.188
Stainless Steel Square Tube 304 - 3 Inches X 0.188
This 3" x 3" 304 Stainless Steel Square Tube features a 0.188" wall thickness and meets ASTM A269 specifications. It combines 73,200 PSI tensile strength with excellent weldability and corrosion resistance, making it ideal for structural frames and architectural elements. In stock Los Angeles.
- 304 Stainless Steel Construction
- ASTM A269 Certified
- 73,200 PSI Tensile Strength
- Excellent Corrosion Resistance & Weldability
Type 304 is the most common austenitic stainless steel, containing 18% chromium and 8% nickel for superior resistance to oxidation and corrosion. This square tubing is produced to ASTM A269 standards, ensuring reliable mechanical properties. Its non-magnetic properties in the annealed condition and excellent formability make it highly versatile for both structural and decorative projects.
As a medium-sized profile, the 3" x 3" dimension with a heavy 0.188" wall provides significant structural integrity. It is perfectly suited for equipment frames, support columns, roll cages, and heavy-duty railings where a high strength-to-weight ratio and clean lines are essential.
Specifications
- Material: Type 304 Stainless Steel
- Standards: ASTM A269
- Strength/Tensile: 73,200 PSI
- Dimensions: 3" x 3" x 0.188" wall x 240" length
- Finish: Annealed, Mill Finish
- Certifications: MTR Available
Applications
- Structural Framing: Support columns and equipment frames - combines high strength with a substantial 0.188" wall for load-bearing capacity.
- Architectural: Handrails and guardrails - the 3" profile offers a sturdy grip and modern aesthetic with excellent weather resistance.
- Automotive: Custom roll cages and chassis components - provides rigidity and impact resistance with good weldability for fabrication.
- Industrial: Machine bases and conveyor system frames - withstands vibration and industrial environments while being easy to clean.
Target Users
Fabricators, welders, structural engineers, and architects rely on 304 stainless square tube for its balance of strength, corrosion resistance, and aesthetic appeal in projects throughout the Los Angeles area.
Finish Options
This product comes standard with a mill finish, typical of structural tubing. This may include minor surface imperfections. For architectural or cosmetic applications, it can be polished to a #4 satin (180 grit) or #8 mirror finish. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Square tube is measured by its outer dimensions (Width x Height) and its wall thickness. Use calipers for an accurate reading.
Example: To order this square tube, specify "304 Stainless Square Tube, 3" x 3" with a 0.188" wall".
Order Checklist
- Product name and required dimensions (3" x 3" x 0.188" wall)
- Material specification and quantity
- Confirm grade (304) meets requirements
- Surface finish requirements (Mill Finish)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- Stainless Steel Square Tube 304 - 3 Inches X 0.188
- Material
- 304 Stainless Steel
- Standards
- ASTM A269
- Key Properties
- 73,200 PSI tensile, Excellent Weldability, Excellent Corrosion Resistance
- Primary Applications
- Structural frames, Handrails, Equipment bases
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 304 Stainless Square Tube in sizes from 1/2" to 6" with various wall thicknesses. This 3" x 0.188" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing