406x140x39 UB Dimensions & Weight

406x140x39 UB is a BS EN 10365 universal beam with an actual depth of 398 mm and a 141.8 mm flange, weighing 39 kg per metre (26.21 lb/ft) — commonly used for floor beams and roof framing. It is the lightest of the 3 406x140 UB sizes listed here.

406x140x39 UB Dimensions

PropertyMetricImperial
Depth (d)398 mm15.669 in
Flange width (b)141.8 mm5.583 in
Web thickness (tw)6.4 mm0.252 in
Flange thickness (tf)8.6 mm0.339 in
Cross-section area (A)computed from weight and steel density49.7 cm²7.7 in²
Mass39 kg/m26.21 lb/ft

Standard: BS EN 10365. Values from the published section tables; dimensions not listed here are not shown rather than estimated.

What does 406x140x39 UB weigh and cost?

406x140x39 UB has a mass of 39 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 78.00 per metre. Set your quantity, length, and price to total your own run:

Total weight
234 kg
Material cost
468.00

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 406x140x39 UBs by hand.

Upload your drawing set and SteelFlo puts a box on every steel label it finds — every 406x140x39 UB, on every page — ready to review and export as a bill of materials.

3 free takeoffsNo credit card requiredAISC + 5 international standards