Steel Beam Sizes / Australia / CHS / 508×6.4 CHS
508×6.4 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
508×6.4 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 | 53.28 lb/ft | 79.29 kg/m |
| OD | 20.000 in | 508.000 mm |
| t | 0.252 in | 6.400 mm |
| Area | 15.66 in² | 10,100.00 mm² |
| Ix | 761.60 in⁴ | 317,000,000 mm⁴ |
| Iy | 761.60 in⁴ | 317,000,000 mm⁴ |
| Sx | 76.16 in³ | 1,248,031 mm³ |
| Sy | 76.16 in³ | 1,248,031 mm³ |
| Zx | 98.25 in³ | 1,610,000 mm³ |
| Zy | 98.25 in³ | 1,610,000 mm³ |
| rx | 6.97 in | 177.16 mm |
| ry | 6.97 in | 177.16 mm |
| J | 1,523.19 in⁴ | 634,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 508×6.4 CHS.
Lighter in Circular hollow sections
324×9.5 CHS
- Weight
- 73.6 kg/m (-7.1%)
- Depth
- — mm
- Ix
- 116,000,000 mm⁴ (-63%)
Heavier in Circular hollow sections
356×9.5 CHS
- Weight
- 80.9 kg/m (+2.0%)
- Depth
- — mm
- Ix
- 155,000,000 mm⁴ (-51%)
Closest Iₓ in Circular hollow sections
406×12.7 CHS
- Weight
- 123.2 kg/m (+55%)
- Depth
- — mm
- Ix
- 305,000,000 mm⁴ (-3.8%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology