RHS 300x100x12.5 Dimensions & Weight
RHS 300x100x12.5 is a rectangular hollow section to EN 10210 / EN 10219, 300 x 100 mm outside with a 12.5 mm wall, weighing 68.3 kg per metre (45.9 lb/ft) — commonly specified for heavier columns and brace members.
RHS 300x100x12.5 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 300 mm | 11.811 in |
| Outside width | 100 mm | 3.937 in |
| Wall thickness | 12.5 mm | 0.492 in |
| Cross-section area (A)computed from weight and steel density | 87 cm² | 13.49 in² |
| Mass | 68.3 kg/m | 45.9 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 300x100x12.5 weigh and cost?
RHS 300x100x12.5 has a mass of 68.3 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 136.60 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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Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight