305x165x40 UB Dimensions & Weight

305x165x40 UB is a BS EN 10365 universal beam with an actual depth of 303.4 mm and a 165 mm flange, weighing 40.3 kg per metre (27.08 lb/ft) — commonly used for light floor framing, mezzanines, and residential beams. It is the lightest of the 3 305x165 UB sizes listed here.

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305x165x40 UB Dimensions

PropertyMetricImperial
Depth (d)303.4 mm11.945 in
Flange width (b)165 mm6.496 in
Web thickness (tw)6 mm0.236 in
Flange thickness (tf)10.2 mm0.402 in
Cross-section area (A)computed from weight and steel density51.3 cm²7.95 in²
Mass40.3 kg/m27.08 lb/ft

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

What does 305x165x40 UB weigh and cost?

305x165x40 UB has a mass of 40.3 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 80.60 per metre. Set your quantity, length, and price to total your own run:

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Total weight
242 kg
Material cost
483.60

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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Free steel takeoff template (Excel) with BS EN 10365 sections built in

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