Steel Beam Sizes / Australia / Unequal Angles / 125×75×8 UA
125×75×8 UA Steel Beam Dimensions and Properties
ASNZS Unequal angles · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
125×75×8 UA dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 7.91 lb/ft | 11.78 kg/m |
| Width | 2.95 in | 75.00 mm |
| Height | 4.92 in | 125.00 mm |
| t | 0.307 in | 7.800 mm |
| Area | 2.33 in² | 1,500.00 mm² |
| Ix | 6.44 in⁴ | 2,680,000 mm⁴ |
| Iy | 0.96 in⁴ | 399,000.00 mm⁴ |
| Zx | 3.41 in³ | 55,900.00 mm³ |
| Zy | 1.23 in³ | 20,200.00 mm³ |
| rx | 1.66 in | 42.27 mm |
| ry | 0.64 in | 16.31 mm |
| J | 0.08 in⁴ | 31,700.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 125×75×8 UA.
Lighter in Unequal angles
100×75×8 UA
- Weight
- 10.3 kg/m (-13%)
- Depth
- 100.0 mm (-20%)
- Ix
- 1,590,000 mm⁴ (-41%)
Heavier in Unequal angles
100×75×10 UA
- Weight
- 12.4 kg/m (+5.3%)
- Depth
- 100.0 mm (-20%)
- Ix
- 1,890,000 mm⁴ (-29%)
Closest Iₓ in Unequal angles
125×75×10 UA
- Weight
- 14.2 kg/m (+21%)
- Depth
- 125.0 mm (0.0%)
- Ix
- 3,200,000 mm⁴ (+19%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology