Steel Beam Sizes / CISC / HSS Square / HA203×203×7.9
HA203×203×7.9 Dimensions, Weight and Section Properties
CISC Square HSS · v12.1
HA203×203×7.9: 47.4 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HA203×203×7.9 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 | 31.90 lb/ft | 47.40 kg/m |
| Height | 8.00 in | 203.20 mm |
| Width | 8.00 in | 203.20 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.281 in | 7.150 mm |
| Area | 8.49 in² | 5,480.00 mm² |
| Ix | 83.13 in⁴ | 34,600,000 mm⁴ |
| Iy | 83.13 in⁴ | 34,600,000 mm⁴ |
| Sx | 20.81 in³ | 341,000.00 mm³ |
| Sy | 20.81 in³ | 341,000.00 mm³ |
| Zx | 24.35 in³ | 399,000.00 mm³ |
| Zy | 24.35 in³ | 399,000.00 mm³ |
| rx | 3.13 in | 79.50 mm |
| ry | 3.13 in | 79.50 mm |
| J | 131.90 in⁴ | 54,900,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HA203×203×7.9.
Lighter in Square HSS
HA127×127×13
- Weight
- 42.3 kg/m (-11%)
- Depth
- 127.0 mm (-38%)
- Ix
- 10,600,000 mm⁴ (-69%)
Heavier in Square HSS
HA178×178×9.5
- Weight
- 48.5 kg/m (+2.2%)
- Depth
- 177.8 mm (-13%)
- Ix
- 26,300,000 mm⁴ (-24%)
Another Iₓ option in Square HSS
HS178×178×13
- Weight
- 62.6 kg/m (+32%)
- Depth
- 177.8 mm (-13%)
- Ix
- 35,200,000 mm⁴ (+1.7%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology