RHS 400x200x12.5 Dimensions & Weight

RHS 400x200x12.5 is a rectangular hollow section to EN 10210 / EN 10219, 400 x 200 mm outside with a 12.5 mm wall, weighing 112 kg per metre (75.26 lb/ft) — commonly specified for heavier columns and brace members.

RHS 400x200x12.5 Dimensions

PropertyMetricImperial
Outside depth400 mm15.748 in
Outside width200 mm7.874 in
Wall thickness12.5 mm0.492 in
Cross-section area (A)computed from weight and steel density142.7 cm²22.12 in²
Mass112 kg/m75.26 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 400x200x12.5 weigh and cost?

RHS 400x200x12.5 has a mass of 112 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 224.00 per metre. Set your quantity, length, and price to total your own run:

Total weight
672 kg
Material cost
1,344.00

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 →

Stop counting RHS 400x200x12.5s by hand.

Upload your drawing set and SteelFlo puts a box on every steel label it finds — every RHS 400x200x12.5, on every page — ready to review and export as a bill of materials.

3 free takeoffsNo credit card requiredAISC + 5 international standards