ISLB 100
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 100 is an Indian light-weight beam 100.0 mm deep with a 50.0 mm wide flange, weighing 8.0 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.
Build and analyse any cross-section — plates, shapes and library sections.
Open the Section CalculatorFree, no sign-up, runs in your browser.
Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 100.0 mm | 3.94 in |
| Flange width, bf | 50.0 mm | 1.97 in |
| Flange thickness, tf | 6.4 mm | 0.252 in |
| Web thickness, tw | 4.0 mm | 0.157 in |
| Mass per metre | 8.0 kg/m | 5.4 lb/ft |
| Area, A | 1,020 mm² | 1.58 in² |
| Second moment, Ix | 1,680,000 mm⁴ | 4.0 in⁴ |
| Second moment, Iy | 127,000 mm⁴ | 0.3 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