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Square Tube

Round Tube
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Square Tube is durable steel tubing with a square profile and 6.0 m standard length, designed for construction, fabrication, and structural engineering applications

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Description

Square Tube is a strong and versatile steel tubing product used across construction, fabrication, and engineering applications where structural stability and clean lines are important. The square profile provides balanced load distribution and dependable support, making it suitable for frames, support structures, and fabricated steel components. Manufactured for consistent performance and durability, square tubing is widely used in projects that require reliable steel sections that are easy to cut, weld, and fabricate.

Key Features

  • Square steel profile provides structural strength and stability
  • Available in sizes from 13 × 13mm up to 152 × 152mm
  • Multiple wall thickness options from 1.6mm to 6.0mm depending on size
  • Standard stock lengths of 6.0m for efficient fabrication and installation
  • Suitable for welding, cutting, and general fabrication applications
  • Manufactured to recognised steel grades including SAE 1008 and SABS 1431 S355

Applications

  • Construction frameworks and structural supports
  • Gates, fencing, and railing systems
  • Agricultural and industrial structures
  • General steel fabrication and engineering

 

Size dxh

(mm)

 Wall thickness t (mm)
1.6 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0
13×13 0.56
16×16 0.68
19×19 0.94 1.15
25×25 1.19 1.47 1.80 2.13
32×32 1.52 1.88 2.31 2.74
38×38 1.85 2.29 2.83 3.36 3.86 4.37
50×50 2.44 3.03 3.76 4.48 5.18 5.87 6.55
60×60 2.94 3.66 4.55 5.42 6.28 7.12 7.96
63×63 3.09 3.85 4.78 5.70 6.60 7.50 8.38
75×75 3.69 4.59 5.70 6.81 7.90 8.98 10.04 11.10
80×80 3.95 4.91 6.11 7.30 8.47 9.63 10.78 11.91
90×90 4.45 5.54 6.89 8.24 9.57 10.88 12.19 13.48 16.03
100×100 6.17 7.68 9.18 10.66 12.14 13.60 15.05 17.91
120×120 11.06 12.85 14.64 16.41 18.18 21.67
152×152 16.42 21.00 27.78

Colour code relating to the grade of steel

SAE 1008 (Si less than 0.03)
SABS 1431  S355

Additional information

Grade

SABS 1431 S355, SAE 1008
Size (dxh)

13×13mm, 16×16mm, 19×19mm, 25×25mm, 32×32mm, 38×38mm, 50×50mm, 60×60mm, 63×63mm, 75×75mm, 80×80mm, 90×90mm, 100×100mm, 120×120mm, 152×152mm
Wall Thickness

1.60mm, 2.00mm, 2.50mm, 3.00mm, 3.50mm, 4.00mm, 4.50mm, 5.00mm, 6.00mm

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