Steel Beam Sizes / Australia / RHS / 125×75×5.0 RHS
125×75×5.0 RHS Steel Beam Dimensions and Properties
ASNZS Rectangular hollow sections · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
125×75×5.0 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 | 9.55 lb/ft | 14.21 kg/m |
| Height | 4.92 in | 125.00 mm |
| Width | 2.95 in | 75.00 mm |
| t | 0.197 in | 5.000 mm |
| Area | 2.81 in² | 1,810.00 mm² |
| Ix | 8.75 in⁴ | 3,640,000 mm⁴ |
| Iy | 3.96 in⁴ | 1,650,000 mm⁴ |
| Sx | 3.55 in³ | 58,240.00 mm³ |
| Sy | 2.69 in³ | 44,000.00 mm³ |
| Zx | 4.44 in³ | 72,700.00 mm³ |
| Zy | 3.12 in³ | 51,100.00 mm³ |
| rx | 1.77 in | 44.84 mm |
| ry | 1.19 in | 30.19 mm |
| J | 9.20 in⁴ | 3,830,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 125×75×5.0 RHS.
Lighter in Rectangular hollow sections
100×50×6.0 RHS
- Weight
- 12.0 kg/m (-15%)
- Depth
- 100.0 mm (-20%)
- Ix
- 1,710,000 mm⁴ (-53%)
Heavier in Rectangular hollow sections
150×100×4.0 RHS
- Weight
- 14.8 kg/m (+3.9%)
- Depth
- 150.0 mm (+20%)
- Ix
- 5,870,000 mm⁴ (+61%)
Closest Iₓ in Rectangular hollow sections
150×50×4.0 RHS
- Weight
- 11.6 kg/m (-18%)
- Depth
- 150.0 mm (+20%)
- Ix
- 3,740,000 mm⁴ (+2.7%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology