RHS 400x120x5 Dimensions & Weight
RHS 400x120x5 is a rectangular hollow section to EN 10210 / EN 10219, 400 x 120 mm outside with a 5 mm wall, weighing 39.8 kg per metre (26.74 lb/ft) — commonly specified for heavier columns and brace members. It is the lightest of the 7 RHS 400x120 sizes listed here.
RHS 400x120x5 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 400 mm | 15.748 in |
| Outside width | 120 mm | 4.724 in |
| Wall thickness | 5 mm | 0.197 in |
| Cross-section area (A)computed from weight and steel density | 50.7 cm² | 7.86 in² |
| Mass | 39.8 kg/m | 26.74 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 400x120x5 weigh and cost?
RHS 400x120x5 has a mass of 39.8 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 79.60 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
Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight