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Structural Tube
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Structural Tube

Seamless steel pipes for the manufacture of pipes, vessels, equipment, fittings and steel structures.
National Service Hotline:+86-0510-86160120
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Number of views:
1000
Product serial number
Specification Range:
∮6-1100×1-150mm
Use:
Seamless steel pipes for the manufacture of pipes, vessels, equipment, fittings and steel structures
Main Material:

GB/T8162 (10, 20, 35, 45, Q345, Q420, Q460, 27SiMn, 20Cr, 40Cr, 15CrMo, 20CrMo, 30CrMo, 35CrMo, 42CrMo, 12Cr1MoV) DIN 1629 (St37.0, St44.0, St52.0 ) EN 10210-1 (S355J2H, etc.) JIS G3445 (STKM series)

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Product description
Parameters

● Standard

GB/T8162-2009 Main steel grades: 10, 20, 35, 45, Q345

● Uses

 

For general and mechanical structures

● Size deviation

Steel Tube Types

Tube size mm Allowable deviation

Common Grade

High Grade

Hot rolled tube Outer diameter D All ± 1% (minimum is ± 0.50mm)
Wall thickness S All +15%-12.5% (minimum +0.45/ -0.40 mm)
Cold-drawn tube Outer diameter D 6 ~ 10 ± 0.20 mm ± 0.15 mm
> 10 ~ 30 ± 0.40 mm ± 0.20 mm
> 30 ~ 50 ± 0.45 mm ± 0.30 mm
> 50 ± 1% ± 0.8%
Wall thickness S ≤ 1 ± 0.15 mm ± 0.12 mm
> 1 ~ 3 +15%-10% +12.5%-10%
> 3 +12.5%-10% ± 10%

 

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