Steel Beam Sizes / Australia / RHS / 125×75×2.5 RHS
125×75×2.5 RHS Dimensions, Weight and Section Properties
ASNZS Rectangular hollow sections · v2019.11
125×75×2.5 RHS: 7.528 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
125×75×2.5 RHS 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 | 5.06 lb/ft | 7.53 kg/m |
| Height | 4.92 in | 125.00 mm |
| Width | 2.95 in | 75.00 mm |
| t | 0.098 in | 2.500 mm |
| Area | 1.49 in² | 959.00 mm² |
| Ix | 4.97 in⁴ | 2,070,000 mm⁴ |
| Iy | 2.26 in⁴ | 942,000.00 mm⁴ |
| Sx | 2.02 in³ | 33,120.00 mm³ |
| Sy | 1.53 in³ | 25,120.00 mm³ |
| Zx | 2.44 in³ | 40,000.00 mm³ |
| Zy | 1.72 in³ | 28,200.00 mm³ |
| rx | 1.83 in | 46.46 mm |
| ry | 1.23 in | 31.34 mm |
| J | 4.93 in⁴ | 2,050,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 125×75×2.5 RHS.
Lighter in Rectangular hollow sections
100×50×3.3 RHS
- Weight
- 7.1 kg/m (-5.2%)
- Depth
- 100.0 mm (-20%)
- Ix
- 1,130,000 mm⁴ (-45%)
Heavier in Rectangular hollow sections
75×50×5.0 RHS
- Weight
- 8.3 kg/m (+11%)
- Depth
- 75.0 mm (-40%)
- Ix
- 726,000 mm⁴ (-65%)
Another Iₓ option in Rectangular hollow sections
150×50×2.0 RHS
- Weight
- 6.1 kg/m (-19%)
- Depth
- 150.0 mm (+20%)
- Ix
- 2,080,000 mm⁴ (+0.5%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology