StructureCalcsISLB 75
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 75 is an Indian light-weight beam 75.0 mm deep with a 50.0 mm wide flange, weighing 6.1 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 | 75.0 mm | 2.95 in |
| Flange width, bf | 50.0 mm | 1.97 in |
| Flange thickness, tf | 5.0 mm | 0.197 in |
| Web thickness, tw | 3.7 mm | 0.146 in |
| Mass per metre | 6.1 kg/m | 4.1 lb/ft |
| Area, A | 771 mm² | 1.20 in² |
| Second moment, Ix | 727,000 mm⁴ | 1.7 in⁴ |
| Second moment, Iy | 100,000 mm⁴ | 0.2 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