ISMB 250 Dimensions & Weight

ISMB 250 is an IS 808 Indian Standard beam with an actual depth of 250 mm and a 125 mm flange, weighing 37.3 kg per metre (25.06 lb/ft) — commonly used for light floor framing, mezzanines, and residential beams.

Free steel takeoff template (Excel) with IS 808 sections built in

Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).

or start a free takeoff to count ISMB 250 on your drawing.

ISMB 250 Dimensions

PropertyMetricImperial
Depth (d)250 mm9.843 in
Flange width (b)125 mm4.921 in
Cross-section area (A)computed from weight and steel density47.5 cm²7.36 in²
Mass37.3 kg/m25.06 lb/ft

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

What does ISMB 250 weigh and cost?

ISMB 250 has a mass of 37.3 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 74.60 per metre. Set your quantity, length, and price to total your own run:

Count them on my drawing →

Total weight
224 kg
Material cost
447.60

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.

Pricing more than one size? Build a full member list in the free calculator →

Tallying by hand?

Free steel takeoff template (Excel) with IS 808 sections built in

Free. Needs a free Steelflo account (also includes 3 free takeoffs, no card).

Stop counting ISMB 250s by hand.

Upload your drawing set and SteelFlo puts a box on each steel label it finds, including ISMB 250, ready to review and export as a bill of materials.

3 free takeoffsNo credit card requiredAISC + 5 international standards

Found your size? Now count it on the drawing.

Upload your PDF and SteelFlo boxes the steel labels it finds, so you get a member list instead of a manual tally of ISMB 250 and its neighbors.

3 free takeoffsNo credit card required