RHS 120x80x10 Dimensions & Weight
RHS 120x80x10 is a rectangular hollow section to EN 10210 / EN 10219, 120 x 80 mm outside with a 10 mm wall, weighing 27.4 kg per metre (18.41 lb/ft) — commonly specified for columns, braces, and exposed architectural steel. It is the heaviest of the 6 RHS 120x80 sizes listed here.
Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).
or start a free takeoff to count RHS 120x80x10 on your drawing.
Free takeoff template in Excel. Takeoff template in Excel. Free with a Steelflo account.
RHS 120x80x10 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 120 mm | 4.724 in |
| Outside width | 80 mm | 3.15 in |
| Wall thickness | 10 mm | 0.394 in |
| Cross-section area (A)computed from weight and steel density | 34.9 cm² | 5.41 in² |
| Mass | 27.4 kg/m | 18.41 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 120x80x10 weigh and cost?
RHS 120x80x10 has a mass of 27.4 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 54.80 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.
Pricing more than one size? Build a full member list in the free calculator →
Tallying by hand?
Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).
Stop counting RHS 120x80x10s by hand.
Upload your drawing set and SteelFlo puts a box on each steel label it finds, including RHS 120x80x10, ready to review and export as a bill of materials.
Related sizes
- RHS 120x80x411.7 kg/m
- RHS 120x80x514.7 kg/m
- RHS 120x80x617 kg/m
- RHS 120x80x6.318.2 kg/m
- RHS 120x80x822.6 kg/m
- RHS 160x80x827.6 kg/m
- RHS 200x100x6.328.1 kg/m
- RHS 200x120x628.3 kg/m
Comparing sizes? Keep them all in one sheet.
Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).
Found your size? Now count it on the drawing.
Upload your PDF and SteelFlo boxes the steel labels it finds, so you get a member list instead of a manual tally of RHS 120x80x10 and its neighbors.
Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight