RHS 300x250x12.5 Dimensions & Weight

RHS 300x250x12.5 is a rectangular hollow section to EN 10210 / EN 10219, 300 x 250 mm outside with a 12.5 mm wall, weighing 102 kg per metre (68.54 lb/ft) — commonly specified for heavier columns and brace members.

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RHS 300x250x12.5 Dimensions

PropertyMetricImperial
Outside depth300 mm11.811 in
Outside width250 mm9.843 in
Wall thickness12.5 mm0.492 in
Cross-section area (A)computed from weight and steel density129.9 cm²20.13 in²
Mass102 kg/m68.54 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 300x250x12.5 weigh and cost?

RHS 300x250x12.5 has a mass of 102 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 204.00 per metre. Set your quantity, length, and price to total your own run:

Count them on my drawing →

Total weight
612 kg
Material cost
1,224.00

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 300x250x12.5s by hand.

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