RHS 400x120x10 Dimensions & Weight

RHS 400x120x10 is a rectangular hollow section to EN 10210 / EN 10219, 400 x 120 mm outside with a 10 mm wall, weighing 77.7 kg per metre (52.21 lb/ft) — commonly specified for heavier columns and brace members.

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RHS 400x120x10 Dimensions

PropertyMetricImperial
Outside depth400 mm15.748 in
Outside width120 mm4.724 in
Wall thickness10 mm0.394 in
Cross-section area (A)computed from weight and steel density99 cm²15.35 in²
Mass77.7 kg/m52.21 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 400x120x10 weigh and cost?

RHS 400x120x10 has a mass of 77.7 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 155.40 per metre. Set your quantity, length, and price to total your own run:

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Total weight
466 kg
Material cost
932.40

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.

Pricing more than one size? Build a full member list in the free calculator →

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 400x120x10s by hand.

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