Steel Beam Sizes / Australia / RHS / 100×50×3.0 RHS
100×50×3.0 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
100×50×3.0 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 | 4.44 lb/ft | 6.60 kg/m |
| Height | 3.94 in | 100.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.118 in | 3.000 mm |
| Area | 1.30 in² | 841.00 mm² |
| Ix | 2.55 in⁴ | 1,060,000 mm⁴ |
| Iy | 0.87 in⁴ | 361,000.00 mm⁴ |
| Sx | 1.29 in³ | 21,200.00 mm³ |
| Sy | 0.88 in³ | 14,440.00 mm³ |
| Zx | 1.63 in³ | 26,700.00 mm³ |
| Zy | 1.00 in³ | 16,400.00 mm³ |
| rx | 1.40 in | 35.50 mm |
| ry | 0.82 in | 20.72 mm |
| J | 2.13 in⁴ | 886,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 100×50×3.0 RHS.
Lighter in Rectangular hollow sections
100×50×2.8 RHS
- Weight
- 6.2 kg/m (-6.3%)
- Depth
- 100.0 mm (0.0%)
- Ix
- 1,000,000 mm⁴ (-5.7%)
Heavier in Rectangular hollow sections
75×50×4.0 RHS
- Weight
- 6.9 kg/m (+4.8%)
- Depth
- 75.0 mm (-25%)
- Ix
- 630,000 mm⁴ (-41%)
Closest Iₓ in Rectangular hollow sections
100×50×3.3 RHS
- Weight
- 7.1 kg/m (+8.1%)
- Depth
- 100.0 mm (0.0%)
- Ix
- 1,130,000 mm⁴ (+6.6%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology