Steel Beam Sizes / Australia / CHS / 457×12.7 CHS
457×12.7 CHS Steel Beam Dimensions and Properties
ASNZS Circular hollow sections · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
457×12.7 CHS 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 | 93.37 lb/ft | 138.95 kg/m |
| OD | 17.992 in | 457.000 mm |
| t | 0.500 in | 12.700 mm |
| Area | 27.44 in² | 17,700.00 mm² |
| Ix | 1,052.30 in⁴ | 438,000,000 mm⁴ |
| Iy | 1,052.30 in⁴ | 438,000,000 mm⁴ |
| Sx | 116.97 in³ | 1,916,849 mm³ |
| Sy | 116.97 in³ | 1,916,849 mm³ |
| Zx | 153.17 in³ | 2,510,000 mm³ |
| Zy | 153.17 in³ | 2,510,000 mm³ |
| rx | 6.19 in | 157.31 mm |
| ry | 6.19 in | 157.31 mm |
| J | 2,104.60 in⁴ | 876,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 457×12.7 CHS.
Lighter in Circular hollow sections
406×12.7 CHS
- Weight
- 123.2 kg/m (-11%)
- Depth
- — mm
- Ix
- 305,000,000 mm⁴ (-30%)
Heavier in Circular hollow sections
610×9.5 CHS
- Weight
- 140.5 kg/m (+1.1%)
- Depth
- — mm
- Ix
- 808,000,000 mm⁴ (+84%)
Closest Iₓ in Circular hollow sections
508×9.5 CHS
- Weight
- 117.0 kg/m (-16%)
- Depth
- — mm
- Ix
- 462,000,000 mm⁴ (+5.5%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology