RHS 300x150x12.5 Dimensions & Weight

RHS 300x150x12.5 is a rectangular hollow section to EN 10210 / EN 10219, 300 x 150 mm outside with a 12.5 mm wall, weighing 82.1 kg per metre (55.17 lb/ft) — commonly specified for heavier columns and brace members.

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RHS 300x150x12.5 Dimensions

PropertyMetricImperial
Outside depth300 mm11.811 in
Outside width150 mm5.906 in
Wall thickness12.5 mm0.492 in
Cross-section area (A)computed from weight and steel density104.6 cm²16.21 in²
Mass82.1 kg/m55.17 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 300x150x12.5 weigh and cost?

RHS 300x150x12.5 has a mass of 82.1 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 164.20 per metre. Set your quantity, length, and price to total your own run:

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Total weight
493 kg
Material cost
985.20

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 300x150x12.5s by hand.

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