Galvanised Round Tubing - Image 1

Galvanised Round Tubing

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Galvanised Round Tubing is corrosion-resistant steel tubing with a durable galvanised finish, designed for structural, construction, and outdoor fabrication applications

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Description

Galvanised Round Tubing is a durable steel tubing product designed for structural, fabrication, and outdoor applications where corrosion resistance and long-term performance are important. The tubing is protected with a galvanised coating that helps shield the steel from moisture, rust, and environmental exposure, making it suitable for both indoor and outdoor installations. Its round profile provides balanced strength and versatility, allowing it to be widely used in construction, fencing, support structures, and general engineering projects.

Key Features

  • Galvanised coating helps protect the steel against corrosion and rust
  • Round steel profile provides balanced strength and structural reliability
  • Available in outside diameters from 15.8mm up to 219.1mm
  • Multiple wall thickness options from 1.6mm to 6.0mm depending on size
  • Suitable for welding, cutting, and fabrication across many steel applications
  • Designed for indoor and outdoor use where durability and weather resistance are required

Applications

  • Structural frames and support structures
  • Fencing, gates, and railing systems
  • Construction and engineering projects
  • Agricultural and outdoor infrastructure
Outside diameter

(mm)

 Wall thickness t (mm)
1.6 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0
15.8 0.564
19.1 0.689 0.841
21.4 0.783 0.959 1.17 1.36
25.4 0.939 1.15 1.41
26.9 1.00 1.23 1.51 1.78
32.0 1.19 1.47 1.80 2.13
34.1 1.28 1.59 1.95 2.30 2.64 2.97
38.1 1.44 1.78 2.20 2.60 2.99
42.8 1.63 2.02 2.49 2.95 3.39 3.83
48.5 1.85 2.29 2.83 3.36 3.88 4.38 4.88
50.8 1.91 2.37 2.93 3.48 4.08 4.62
57.1 2.19 2.72 3.37 4.01 4.63 5.24
60.3 2.32 2.88 3.57 4.24 4.91 5.56 6.20
63.5 2.44 3.03 3.76 4.48 5.18 5.87 6.55
76.2 2.94 3.66 4.55 5.42 6.28 7.12 7.96 8.78 10.39
88.9 3.45 4.29 5.33 6.36 7.37 8.38 9.37 10.35 12.27
101.6 3.95 4.91 6.11 7.30 8.47 9.63 10.78 11.91 14.15
114.3 5.54 6.89 8.24 9.57 10.88 12.19 13.48 16.03
127.0 6.17 7.68 9.18 10.66 12.14 13.60 15.05 17.91
139.7 10.12 11.76 13.39 15.01 16.61 19.79
152.4 11.06 12.85 14.64 16.41 18.18 21.67
165.1 12.00 13.95 15.89 17.83 19.74 23.55
177.8 12.93 15.05 17.07 19.15 21.31 25.42
193.7 16.42 21.00 27.78
219.1 18.60 23.81 31.52

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
Outside Diameter

15.8mm, 19.1mm, 21.4mm, 25.4mm, 26.9mm, 32.0mm, 34.1mm, 38.1mm, 42.8mm, 48.5mm, 50.8mm, 57.1mm, 60.3mm, 63.5mm, 76.2mm, 88.9mm, 101.6mm, 114.3mm, 127.0mm, 139.7mm, 152.4mm, 165.1mm, 177.8mm, 193.7mm, 219.1mm
Wall Thickness

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

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