SHS 350x350x12 Dimensions & Weight

SHS 350x350x12 is a square hollow section to EN 10210 / EN 10219, 350 x 350 mm outside with a 12 mm wall, weighing 123 kg per metre (82.65 lb/ft) — commonly specified for heavier columns and brace members.

SHS 350x350x12 Dimensions

PropertyMetricImperial
Outside depth350 mm13.78 in
Outside width350 mm13.78 in
Wall thickness12 mm0.472 in
Cross-section area (A)computed from weight and steel density156.7 cm²24.29 in²
Mass123 kg/m82.65 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 SHS 350x350x12 weigh and cost?

SHS 350x350x12 has a mass of 123 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 246.00 per metre. Set your quantity, length, and price to total your own run:

Total weight
738 kg
Material cost
1,476.00

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 SHS 350x350x12s by hand.

Upload your drawing set and SteelFlo puts a box on every steel label it finds — every SHS 350x350x12, on every page — ready to review and export as a bill of materials.

3 free takeoffsNo credit card requiredAISC + 5 international standards