ISMB Beam Sizes and Weights — IS 808
Dimensions and mass of ISMB sections (Indian Standard medium-weight beams) to IS 808: depth, flange width, web and flange thickness, mass per metre and sectional area.
The number in the designation is the depth of the section in millimetres. Teshi Group stocks and supplies these sections in IS 2062 E250 and E350, in mill lengths or cut to size.
Key to dimensions
- h
- Depth of section
- b
- Width of flange
- tw
- Thickness of web
- tf
- Thickness of flange
- kg/m
- Mass per metre
ISMB Beam Sizes and Weights — IS 808 — tables
ISMB sections
| Designation | hDepth, mm | bFlange width, mm | twWeb, mm | tfFlange, mm | Masskg/m | Areacm² |
|---|---|---|---|---|---|---|
| ISMB 100 | 100 | 50 | 4.7 | 7.0 | 8.9 | 11.4 |
| ISMB 125 | 125 | 70 | 5.0 | 8.0 | 13.3 | 17.0 |
| ISMB 150 | 150 | 75 | 5.0 | 8.0 | 15.0 | 19.1 |
| ISMB 175 | 175 | 85 | 5.8 | 9.0 | 19.6 | 25.0 |
| ISMB 200 | 200 | 100 | 5.7 | 10.0 | 24.2 | 30.8 |
| ISMB 225 | 225 | 110 | 6.5 | 11.8 | 31.1 | 39.7 |
| ISMB 250 | 250 | 125 | 6.9 | 12.5 | 37.3 | 47.5 |
| ISMB 300 | 300 | 140 | 7.7 | 13.1 | 46.0 | 58.6 |
| ISMB 350 | 350 | 140 | 8.1 | 14.2 | 52.4 | 66.7 |
| ISMB 400 | 400 | 140 | 8.9 | 16.0 | 61.5 | 78.4 |
| ISMB 450 | 450 | 150 | 9.4 | 17.4 | 72.4 | 92.2 |
| ISMB 500 | 500 | 180 | 10.2 | 17.2 | 86.9 | 111 |
| ISMB 550 | 550 | 190 | 11.2 | 19.3 | 104 | 132 |
| ISMB 600 | 600 | 210 | 12.0 | 20.3 | 123 | 156 |
Notes
- Values are those of IS 808:1989. Check against IS 808:2021 where the order specifies the current edition.
- Rolled sections are supplied to the rolling tolerances of IS 1852.
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
Equivalent and related standards to ISMB Beam Sizes and Weights
All equivalents| Region | Standard | Relationship |
|---|---|---|
| Europe | EN 10365 / EN 10056 | Dimensions of I and H sections, channels and angles |
| China | GB/T 706 | Hot-rolled sections |
| Japan | JIS G3192 | Hot-rolled steel sections |
Teshi Group manufactures flanges and fittings to all of these standards on request, including Chinese GB / HG / SH and European EN dimensions for export projects. Always confirm bolting, facing and thickness when substituting one standard for another.
Dimension finder
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ISMB Beam Sizes and Weights — IS 808 — size by size
Every size has its own page with a drawing, mm and inch values and a one-size PDF.
FAQ
ISMB beam sizes and weights (IS 808): common questions
What is the weight of ISMB 200 per metre?
24.2 kg per metre. It is 200 mm deep with a 100 mm flange.
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