ISMB 300 Dimensions & Weight

ISMB 300 is an IS 808 Indian Standard beam with an actual depth of 300 mm and a 140 mm flange, weighing 44.2 kg per metre (29.7 lb/ft) — commonly used for light floor framing, mezzanines, and residential beams.

ISMB 300 Dimensions

PropertyMetricImperial
Depth (d)300 mm11.811 in
Flange width (b)140 mm5.512 in
Cross-section area (A)computed from weight and steel density56.3 cm²8.73 in²
Mass44.2 kg/m29.7 lb/ft

Standard: IS 808. Values from the published section tables; dimensions not listed here are not shown rather than estimated.

What does ISMB 300 weigh and cost?

ISMB 300 has a mass of 44.2 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 88.40 per metre. Set your quantity, length, and price to total your own run:

Total weight
265 kg
Material cost
530.40

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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