ISMB 400 Dimensions & Weight
ISMB 400 is an IS 808 Indian Standard beam with an actual depth of 400 mm and a 140 mm flange, weighing 61.6 kg per metre (41.39 lb/ft) — commonly used for floor beams and roof framing.
ISMB 400 Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (d) | 400 mm | 15.748 in |
| Flange width (b) | 140 mm | 5.512 in |
| Cross-section area (A)computed from weight and steel density | 78.5 cm² | 12.17 in² |
| Mass | 61.6 kg/m | 41.39 lb/ft |
Standard: IS 808. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does ISMB 400 weigh and cost?
ISMB 400 has a mass of 61.6 kg per metre. At an example material price of 2.00 per kg (in your currency) that is about 123.20 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.
Pricing more than one size? Build a full member list in the free calculator →
Stop counting ISMB 400s by hand.
Upload your drawing set and SteelFlo puts a box on every steel label it finds — every ISMB 400, on every page — ready to review and export as a bill of materials.
Related sizes
Deeper reading: Indian Steel Sections (IS 808) Guide · How to calculate steel weight