StructureCalcsISMC 175
Medium-Weight Channel (ISMC) · IS 808 · India
ISMC 175 is an Indian medium-weight channel 175.0 mm deep with a 75.0 mm wide flange, weighing 19.6 kg/m. The dimensions below are the published IS 808 values; the drawing is generated from them.
ISMC medium channels are the standard Indian channel for stringers, purlins and built-up members.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 175.0 mm | 6.89 in |
| Flange width, bf | 75.0 mm | 2.95 in |
| Flange thickness, tf | 10.2 mm | 0.402 in |
| Web thickness, tw | 6.0 mm | 0.236 in |
| Mass per metre | 19.6 kg/m | 13.2 lb/ft |
| Area, A | 2,490 mm² | 3.86 in² |
| Second moment, Ix | 12,400,000 mm⁴ | 29.8 in⁴ |
| Second moment, Iy | 1,220,000 mm⁴ | 2.9 in⁴ |
Derived section properties
Integrated from the section's own outline including the root and toe radii, whose arcs are integrated analytically rather than approximated by facets. For ISMC 175 the computed area agrees with the published value to 0.01% and Ix to 0.25%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Zex | 141,358 mm³ |
| Elastic modulus, Zey | 22,922 mm³ |
| Plastic modulus, Zpx | 163,934 mm³ |
| Plastic modulus, Zpy | 44,924 mm³ |
| Radius of gyration, rx | 70.5 mm |
| Radius of gyration, ry | 22.1 mm |
Ze is the elastic modulus and Zp the plastic modulus, following IS 800 notation.
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