Structural Tubing – Mild Steel
Round, rectangular and square hollow sections (HSS/CHS/RHS/SHS) for frames, gates, trailers and structural work. Choose your shape, size, thickness and length to estimate weight. Cut-to-size available.

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Common Round (CHS) – examples | |||
---|---|---|---|
OD × t (mm) | kg/m (approx.) | Typical Lengths | Notes |
32.0 × 2.0 | 1.50 | 6 / 12 m | General frames, gates |
38.1 × 2.0 | 1.80 | 6 / 12 m | Light structural |
50.8 × 2.5 | 3.17 | 6 / 12 m | Trailers, railings |
63.5 × 3.0 | 4.62 | 6 / 12 m | Heavier duty |
Common Rectangular / Square (RHS / SHS) – examples | ||||
---|---|---|---|---|
A × B × t (mm) | kg/m (approx.) | Typical Lengths | Form | Notes |
38 × 38 × 2.0 | 2.24 | 6 / 12 m | SHS | Light frames |
50 × 25 × 2.0 | 2.05 | 6 / 12 m | RHS | Rails, bracing |
50 × 50 × 2.5 | 3.62 | 6 / 12 m | SHS | Posts, structures |
76 × 38 × 3.0 | 5.33 | 6 / 12 m | RHS | Heavier duty |
Calculations are theoretical (density 7,850 kg/m³). Kg/m tables vary by spec; we’ll confirm on your quote. Galvanizing available on request. Square = A=B. For tight tolerances, provide drawing/spec.