Carbon Steel Rectangular Tube

Technical Specifications

• Material Grade: ASTM A500, ASTM A513, EN 10219, JIS G3466, A36, S235, S355, 4130, 4140, 4340, A106 Gr.A/B, A333, A500, St52, AH36, 1020, 1018, 1010, S275JR, A53, 1045, SS400, etc.

• Manufacturing Process: ERW, seamless, hot rolled, cold formed

• Size Range:

  • Dimensions: 20×30mm – 400×600mm

  • Wall Thickness: 1.0mm – 20mm

  • Length: 6m, 12m, or customized

• Surface Treatment: Black painted, galvanized, epoxy-coated, anti-rust oil

• End Finish: Plain end, beveled end, deburred

• Tolerances: OD ±1%, wall thickness ±10%

Mechanical & Performance Properties

• Tensile Strength: 400–550 MPa

• Yield Strength: ≥ 245 MPa

• Elongation: 20%–25%

• Bending Resistance: Excellent in the stronger axis direction

• Corrosion Resistance: Enhanced with galvanization or protective coating

• Dimensional Stability: Maintains shape under heavy loads

Production Process

Product Real Shot

Packaging and Shipping

Applications & Advantages

Applications:

1. Structural supports in buildings and bridges

2. Frames for heavy equipment and trailers

3. Conveyor systems and industrial machinery

4. Storage racks and shelving systems

5. Agricultural and construction equipment

Advantages:

• High strength-to-weight ratio

• More load capacity in one direction compared to square tubes

• Easy to fabricate and assemble

• Available in a wide range of sizes and finishes

FAQ

Q1: What product information must I provide before making a purchase?

A: Please provide the material, size, surface treatment requirements, and the quantities you need.

A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.