Indian Standard Unequal Leg Angle per IS 808 : 1989 — legs 60x40mm, thickness 5mm, weight 3.8 kg/m.
| Property | About X-X Axis | About Y-Y Axis |
|---|---|---|
| Moment of Inertia (I) | 102000 mm4 | 34900 mm4 |
| Elastic Section Modulus (Z) | 2430 mm3 | 1250 mm3 |
| Radius of Gyration (r) | 14.6 mm | 8.6 mm |
| Centroid from Heel | Cx = 18.4 mm | Cy = 10.3 mm |
| Grade | Yield (MPa) | UTS (MPa) | Elong. | Application |
|---|---|---|---|---|
| E250 (Fe 410W) | 250 | 410 | 23% | General construction |
| E275 (Fe 440) | 275 | 440 | 22% | Commercial buildings |
| E350 (Fe 490) | 350 | 490 | 22% | Heavy industrial, bridges |
| E410 (Fe 540) | 410 | 540 | 20% | Heavy structural, offshore |