RHS 120x80x5 Dimensions & Weight

RHS 120x80x5 is a rectangular hollow section to EN 10210 / EN 10219, 120 x 80 mm outside with a 5 mm wall, weighing 14.7 kg per metre (9.88 lb/ft) — commonly specified for columns, braces, and exposed architectural steel.

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RHS 120x80x5 Dimensions

PropertyMetricImperial
Outside depth120 mm4.724 in
Outside width80 mm3.15 in
Wall thickness5 mm0.197 in
Cross-section area (A)computed from weight and steel density18.7 cm²2.9 in²
Mass14.7 kg/m9.88 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 120x80x5 weigh and cost?

RHS 120x80x5 has a mass of 14.7 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 29.40 per metre. Set your quantity, length, and price to total your own run:

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Total weight
88 kg
Material cost
176.40

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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Tallying by hand?

Free steel takeoff template (Excel) with EN 10210 / EN 10219 sections built in

Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).

Stop counting RHS 120x80x5s by hand.

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