StructureCalcsISA 75x75x10
Angle (ISA) · IS 808 · India
ISA 75x75x10 is an Indian standard angle with 75 × 75 mm legs, 10.0 mm thick, weighing 10.7 kg/m. The dimensions below are the published IS 808 values; the drawing is generated from them.
ISA angles brace and connect Indian steelwork; an angle bends about tilted principal axes, and the derived principal values below carry their angle.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Leg length, d | 75 mm | 2.95 in |
| Thickness, t | 10.0 mm | 0.394 in |
| Mass per metre | 10.7 kg/m | 7.2 lb/ft |
| Area, A | 1,370 mm² | 2.12 in² |
| Second moment, Ix | 710,000 mm⁴ | 1.7 in⁴ |
| Second moment, Iy | 710,000 mm⁴ | 1.7 in⁴ |
Derived section properties
Integrated from a square-cornered outline — the fillet radii this family really has are not drawn, so the computed values differ slightly from published. For ISA 75x75x10 the computed area is 2.19% from published and Ix 2.08%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Zex | 13,782 mm³ |
| Elastic modulus, Zey | 13,782 mm³ |
| Plastic modulus, Zpx | 24,842 mm³ |
| Plastic modulus, Zpy | 24,842 mm³ |
| Radius of gyration, rx | 22.8 mm |
| Radius of gyration, ry | 22.8 mm |
| Principal maximum, Imax (derived) | 1,149,167 mm⁴ |
| Principal minimum, Imin (derived) | 300,394 mm⁴ |
| Principal axis angle, θp | 45.0° |
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