RHS 70x40x3 Dimensions & Weight
RHS 70x40x3 is a rectangular hollow section to EN 10210 / EN 10219, 70 x 40 mm outside with a 3 mm wall, weighing 4.7 kg per metre (3.16 lb/ft) — commonly specified for handrail posts, equipment frames, and miscellaneous metals. It is the lightest of the 2 RHS 70x40 sizes listed here.
Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).
or start a free takeoff to count RHS 70x40x3 on your drawing.
Free takeoff template in Excel. Takeoff template in Excel. Free with a Steelflo account.
RHS 70x40x3 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Outside depth | 70 mm | 2.756 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 | 6 cm² | 0.93 in² |
| Mass | 4.7 kg/m | 3.16 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 70x40x3 weigh and cost?
RHS 70x40x3 has a mass of 4.7 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 9.40 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.
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 70x40x3s by hand.
Upload your drawing set and SteelFlo puts a box on each steel label it finds, including RHS 70x40x3, ready to review and export as a bill of materials.
Related sizes
- RHS 70x40x46.1 kg/m
- RHS 60x30x44.8 kg/m
- RHS 60x40x34.3 kg/m
- RHS 70x50x35.2 kg/m
- RHS 80x40x35.2 kg/m
- RHS 50x30x44.2 kg/m
- RHS 60x40x45.6 kg/m
- RHS 80x40x3.25.6 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 70x40x3 and its neighbors.
Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight