Hot Rolled Steel Rectangular Tube - 4 Inch X 3 Inch X 0.188
A500B Hot Rolled Steel Rectangular Tube - 4" x 3" x 0.188" x 20'
This 4" x 3" x 0.188" wall Hot Rolled Rectangular Steel Tube is a structural grade product conforming to ASTM A500 Grade B. It provides 58,000 PSI tensile strength, excellent weldability, and a high strength-to-weight ratio for heavy-duty structural applications. In stock Los Angeles.
- A500B Hot Rolled Steel Construction
- ASTM A500 Grade B Certified
- 58,000 PSI Tensile Strength
- Excellent Weldability
Hot rolled rectangular steel tubing is a structural product manufactured to the ASTM A500 Grade B specification. The hot rolling process delivers excellent forming and welding characteristics with a scaled surface finish. Its combination of strength, cost-effectiveness, and load-bearing capacity makes it a key material for construction, fabrication, and industrial manufacturing projects requiring robust structural performance.
This large 4" x 3" profile offers significant resistance to bending and torsional stress, making it ideal for structural columns, heavy equipment frames, industrial supports, and main trailer frame members where strength and rigidity are critical for safety and performance.
Specifications
- Material: A500B Hot Rolled Steel
- Standards: ASTM A500 Grade B
- Strength/Tensile: 58,000 PSI
- Dimensions: 4" Width x 3" Height x 0.188" Wall x 240" Length
- Finish: Hot Rolled Mill Finish
- Certifications: MTR Available
Applications
- Construction: Structural supports and building frames - High strength-to-weight ratio for load-bearing columns.
- Trailers & Automotive: Trailer frames and cross-members - Resists bending and torsional stress under heavy loads.
- Industrial Machinery: Machine bases and support frames - Excellent load-bearing capacity for heavy equipment.
- Racking & Storage: Heavy-duty shelving supports and warehouse racking - High compression strength for vertical loads.
Target Users
Fabricators, construction contractors, trailer manufacturers, and industrial maintenance teams rely on A500B Rectangular Tube for its structural integrity and weldability in projects throughout the Los Angeles area.
Finish Options
This product comes standard with a hot rolled mill finish, characterized by a dark, scaled surface. This scale must be removed by grinding or sandblasting before painting or powder coating. For specific project requirements, other finishes may be available via special order. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Rectangular tubing is measured by its outer dimensions (Height x Width) and its wall thickness. Use calipers or a tape measure for dimensions and a micrometer for wall thickness.
Example: To order this rectangular tube, specify "A500B Rectangular Tube, 4 inches by 3 inches with a 0.188-inch wall, 20-foot length".
Order Checklist
- Product name and required dimensions (4" x 3" x 0.188" wall x 240")
- Material specification and quantity
- Confirm grade (A500 Grade B) meets requirements
- Surface finish requirements (Hot Rolled)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- Hot Rolled Steel Rectangular Tube - 4 Inch X 3 Inch X 0.188
- Material
- A500B Hot Rolled Steel
- Standards
- ASTM A500 Grade B
- Key Properties
- 58,000 PSI tensile, Excellent Weldability, High Strength-to-Weight
- Primary Applications
- Structural frames, trailer manufacturing, machine bases
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock A500B Hot Rolled Rectangular Tube in sizes from 1/2" x 1" to 4" x 6" and wall thicknesses from 0.065" to 0.250". This 4" x 3" x 0.188" wall size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing