RHS 120x40x3 Dimensions & Weight
RHS 120x40x3 is a rectangular hollow section to EN 10210 / EN 10219, 120 x 40 mm outside with a 3 mm wall, weighing 7.1 kg per metre (4.77 lb/ft) — commonly specified for columns, braces, and exposed architectural steel. It is the lightest of the 3 RHS 120x40 sizes listed here.
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RHS 120x40x3 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 120 mm | 4.724 in |
| Outside width | 40 mm | 1.575 in |
| Wall thickness | 3 mm | 0.118 in |
| Cross-section area (A)computed from weight and steel density | 9 cm² | 1.4 in² |
| Mass | 7.1 kg/m | 4.77 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 120x40x3 weigh and cost?
RHS 120x40x3 has a mass of 7.1 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 14.20 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 120x40x49.2 kg/m
- RHS 120x40x511.3 kg/m
- RHS 100x50x3.27.1 kg/m
- RHS 100x60x37.1 kg/m
- RHS 80x40x46.9 kg/m
- RHS 80x50x47.3 kg/m
- RHS 60x40x56.8 kg/m
- RHS 90x50x3.67.4 kg/m
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Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight