StructureCalcsISLB 550
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 550 is an Indian light-weight beam 550.0 mm deep with a 190.0 mm wide flange, weighing 86.3 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 | 550.0 mm | 21.65 in |
| Flange width, bf | 190.0 mm | 7.48 in |
| Flange thickness, tf | 15.0 mm | 0.591 in |
| Web thickness, tw | 9.9 mm | 0.390 in |
| Mass per metre | 86.3 kg/m | 58.0 lb/ft |
| Area, A | 11,000 mm² | 17.05 in² |
| Second moment, Ix | 532,000,000 mm⁴ | 1,278.1 in⁴ |
| Second moment, Iy | 13,400,000 mm⁴ | 32.2 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