ISLB 350 Dimensions & Weight

ISLB 350 is an IS 808 Indian Standard beam with an actual depth of 350 mm and a 165 mm flange, weighing 49.5 kg per metre (33.26 lb/ft) — commonly used for floor beams and roof framing.

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 ISLB 350 on your drawing.

ISLB 350 Dimensions

PropertyMetricImperial
Depth (d)350 mm13.78 in
Flange width (b)165 mm6.496 in
Cross-section area (A)computed from weight and steel density63.1 cm²9.78 in²
Mass49.5 kg/m33.26 lb/ft

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

What does ISLB 350 weigh and cost?

ISLB 350 has a mass of 49.5 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 99.00 per metre. Set your quantity, length, and price to total your own run:

Count them on my drawing →

Total weight
297 kg
Material cost
594.00

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.

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 ISLB 350s by hand.

Upload your drawing set and SteelFlo puts a box on each steel label it finds, including ISLB 350, 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 ISLB 350 and its neighbors.

3 free takeoffsNo credit card required