RHS 400x120x12.5 Dimensions & Weight

RHS 400x120x12.5 is a rectangular hollow section to EN 10210 / EN 10219, 400 x 120 mm outside with a 12.5 mm wall, weighing 95.8 kg per metre (64.37 lb/ft) — commonly specified for heavier columns and brace members.

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RHS 400x120x12.5 Dimensions

PropertyMetricImperial
Outside depth400 mm15.748 in
Outside width120 mm4.724 in
Wall thickness12.5 mm0.492 in
Cross-section area (A)computed from weight and steel density122 cm²18.91 in²
Mass95.8 kg/m64.37 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 400x120x12.5 weigh and cost?

RHS 400x120x12.5 has a mass of 95.8 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 191.60 per metre. Set your quantity, length, and price to total your own run:

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Total weight
575 kg
Material cost
1,149.60

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

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Stop counting RHS 400x120x12.5s by hand.

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