StructureCalcsISLB 275
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 275 is an Indian light-weight beam 275.0 mm deep with a 140.0 mm wide flange, weighing 33.0 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 | 275.0 mm | 10.83 in |
| Flange width, bf | 140.0 mm | 5.51 in |
| Flange thickness, tf | 8.8 mm | 0.346 in |
| Web thickness, tw | 6.4 mm | 0.252 in |
| Mass per metre | 33.0 kg/m | 22.2 lb/ft |
| Area, A | 4,200 mm² | 6.51 in² |
| Second moment, Ix | 53,800,000 mm⁴ | 129.3 in⁴ |
| Second moment, Iy | 2,870,000 mm⁴ | 6.9 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