Steel Beam Sizes / Australia / RHS / 150×50×4.0 RHS
150×50×4.0 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
150×50×4.0 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 | 7.81 lb/ft | 11.62 kg/m |
| Height | 5.91 in | 150.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.157 in | 4.000 mm |
| Area | 2.29 in² | 1,480.00 mm² |
| Ix | 8.99 in⁴ | 3,740,000 mm⁴ |
| Iy | 1.57 in⁴ | 653,000.00 mm⁴ |
| Sx | 3.04 in³ | 49,866.67 mm³ |
| Sy | 1.59 in³ | 26,120.00 mm³ |
| Zx | 3.99 in³ | 65,400.00 mm³ |
| Zy | 1.82 in³ | 29,800.00 mm³ |
| rx | 1.98 in | 50.27 mm |
| ry | 0.83 in | 21.01 mm |
| J | 4.64 in⁴ | 1,930,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 150×50×4.0 RHS.
Lighter in Rectangular hollow sections
125×75×3.8 RHS
- Weight
- 11.1 kg/m (-4.7%)
- Depth
- 125.0 mm (-17%)
- Ix
- 2,930,000 mm⁴ (-22%)
Heavier in Rectangular hollow sections
100×50×6.0 RHS
- Weight
- 12.0 kg/m (+3.4%)
- Depth
- 100.0 mm (-33%)
- Ix
- 1,710,000 mm⁴ (-54%)
Closest Iₓ in Rectangular hollow sections
125×75×5.0 RHS
- Weight
- 14.2 kg/m (+22%)
- Depth
- 125.0 mm (-17%)
- Ix
- 3,640,000 mm⁴ (-2.7%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology