356x171x45 UB Dimensions & Weight

356x171x45 UB is a BS EN 10365 universal beam with an actual depth of 351.4 mm and a 171.1 mm flange, weighing 45 kg per metre (30.24 lb/ft) — commonly used for floor beams and roof framing. It is the lightest of the 4 356x171 UB sizes listed here.

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356x171x45 UB Dimensions

PropertyMetricImperial
Depth (d)351.4 mm13.835 in
Flange width (b)171.1 mm6.736 in
Web thickness (tw)7 mm0.276 in
Flange thickness (tf)9.7 mm0.382 in
Cross-section area (A)computed from weight and steel density57.3 cm²8.88 in²
Mass45 kg/m30.24 lb/ft

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

What does 356x171x45 UB weigh and cost?

356x171x45 UB has a mass of 45 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 90.00 per metre. Set your quantity, length, and price to total your own run:

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Total weight
270 kg
Material cost
540.00

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.

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

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