StructureCalcsISLB 450
Light-Weight Beam (ISLB) · IS 808 · India
ISLB 450 is an Indian light-weight beam 450.0 mm deep with a 170.0 mm wide flange, weighing 65.3 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 | 450.0 mm | 17.72 in |
| Flange width, bf | 170.0 mm | 6.69 in |
| Flange thickness, tf | 13.4 mm | 0.528 in |
| Web thickness, tw | 8.6 mm | 0.339 in |
| Mass per metre | 65.3 kg/m | 43.9 lb/ft |
| Area, A | 8,310 mm² | 12.88 in² |
| Second moment, Ix | 275,000,000 mm⁴ | 660.7 in⁴ |
| Second moment, Iy | 8,530,000 mm⁴ | 20.5 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