686x254x125 UB Dimensions & Weight
686x254x125 UB is a BS EN 10365 universal beam with an actual depth of 677.9 mm and a 253 mm flange, weighing 125 kg per metre (84 lb/ft) — commonly used for longer floor spans and transfer framing. It is the lightest of the 5 686x254 UB sizes listed here.
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686x254x125 UB Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (d) | 677.9 mm | 26.689 in |
| Flange width (b) | 253 mm | 9.961 in |
| Web thickness (tw) | 11.7 mm | 0.461 in |
| Flange thickness (tf) | 16.2 mm | 0.638 in |
| Cross-section area (A)computed from weight and steel density | 159.2 cm² | 24.68 in² |
| Mass | 125 kg/m | 84 lb/ft |
Standard: BS EN 10365. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does 686x254x125 UB weigh and cost?
686x254x125 UB has a mass of 125 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 250.00 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
- 686x254x140 UB140 kg/m
- 686x254x152 UB152 kg/m
- 686x254x170 UB170 kg/m
- 686x254x192 UB192 kg/m
- 610x229x125 UB125 kg/m
- 457x279x128 UB128 kg/m
- 533x210x122 UB122 kg/m
- 410x260x132 UB132 kg/m
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Deeper reading: UK UB & UC Sizes Chart · How to calculate steel weight