StructureCalcsISLB 250
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 250 is an Indian light-weight beam 250.0 mm deep with a 125.0 mm wide flange, weighing 27.9 kg/m. The dimensions below are the published IS 808 values.
ISLB light beams are the economical Indian I-series. StructureCalcs cannot yet draw their tapered profile to scale, but the published values are complete.
StructureCalcs cannot yet draw this family’s tapered profile to scale; the published dimensions below are complete.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 250.0 mm | 9.84 in |
| Flange width, bf | 125.0 mm | 4.92 in |
| Flange thickness, tf | 8.2 mm | 0.323 in |
| Web thickness, tw | 6.1 mm | 0.240 in |
| Mass per metre | 27.9 kg/m | 18.7 lb/ft |
| Area, A | 3,550 mm² | 5.50 in² |
| Second moment, Ix | 37,200,000 mm⁴ | 89.4 in⁴ |
| Second moment, Iy | 1,930,000 mm⁴ | 4.6 in⁴ |
Neighbouring sizes
Where these numbers come from
Published IS 808 values. How StructureCalcs verifies its numbers · Understanding steel section properties · Query this section over the API