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.
305x165x40 UB Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (d) | 303.4 mm | 11.945 in |
| Flange width (b) | 165 mm | 6.496 in |
| Web thickness (tw) | 6 mm | 0.236 in |
| Flange thickness (tf) | 10.2 mm | 0.402 in |
| Cross-section area (A)computed from weight and steel density | 51.3 cm² | 7.95 in² |
| Mass | 40.3 kg/m | 27.08 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:
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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Related sizes
Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight