Seamless Rectangular Steel Pipe

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Seamless Rectangular Steel Pipe

The seamless rectangular steel pipe of our company is often employed in the areas of machinery manufacturing, automobile, metallurgy, railway, decoration, steel structure, etc. It can be used as highway guardrail, container frame, furniture structure, square tube for greenhouse and automobile frame and more.

Technical Specifications
1. Section Dimension of Square Seamless Steel Pipe: 10×10-600×600 mm
2. Section Dimension of Rectangular Product: 9×19-300×500 mm
3. Wall Thickness: 1-30 mm
4. Steel Grade: 20, 45, Q345B, Q345C, Q345D, J55, K55, S235JRH, S355J0H, S355J2H, ASTM A106 GR.B, API 5L GR.B, ST35 (E235), ST37.4, ST45 (E255), ST52 (E355)
5. Standard: ASTM A500, GB/T6728-2002, En10219, CSA G40.21, JIS


Permissible Deflection of Cold Drawn Shaped Tube (mm)

Graph A(B) A(B) Tolerance Complanation Max. Torsion Extent for the Product of per Meter Twist
Meter Total Length
≤30 ±0.2 0.10 1.5 ≤2 ≤0.2%
>30-50 ±0.3 0.15 2.0
>50-75 ±0.7% 0.50% 2.5
>75-500 ±0.8% 0.60% 3.0
t ≤1 >1-3 >3-30
Tolerance ±0.12 +12% -10% ±10%
t ≤6 > 6~10 > 10
R 2 times t 2.5 times t 3 times t

We are a seamless rectangular steel pipe manufacturer based in China. We offer an extensive line of products, including cold rolled seamless precision tube, welded rectangular steel pipe, honed tube, and more.

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