RHS 120x80x4 Dimensions & Weight
RHS 120x80x4 is a rectangular hollow section to EN 10210 / EN 10219, 120 x 80 mm outside with a 4 mm wall, weighing 11.7 kg per metre (7.86 lb/ft) — commonly specified for columns, braces, and exposed architectural steel. It is the lightest of the 6 RHS 120x80 sizes listed here.
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RHS 120x80x4 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 120 mm | 4.724 in |
| Outside width | 80 mm | 3.15 in |
| Wall thickness | 4 mm | 0.157 in |
| Cross-section area (A)computed from weight and steel density | 14.9 cm² | 2.31 in² |
| Mass | 11.7 kg/m | 7.86 lb/ft |
Standard: EN 10210 / EN 10219. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does RHS 120x80x4 weigh and cost?
RHS 120x80x4 has a mass of 11.7 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 23.40 per metre. Set your quantity, length, and price to total your own run:
Material only, example pricing (same currency as the price you enter). Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
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Related sizes
- RHS 120x80x514.7 kg/m
- RHS 120x80x617 kg/m
- RHS 120x80x6.318.2 kg/m
- RHS 120x80x822.6 kg/m
- RHS 120x80x1027.4 kg/m
- RHS 100x60x511.6 kg/m
- RHS 120x40x511.3 kg/m
- RHS 150x100x311.3 kg/m
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Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight