Steel Beam Sizes / CISC / HSS Rectangular / HA203×102×7.9
HA203×102×7.9 Dimensions, Weight and Section Properties
CISC Rectangular HSS · v12.1
HA203×102×7.9: 34.7 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HA203×102×7.9 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 | 23.40 lb/ft | 34.70 kg/m |
| Height | 8.00 in | 203.20 mm |
| Width | 4.00 in | 101.60 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.281 in | 7.150 mm |
| Area | 6.23 in² | 4,020.00 mm² |
| Ix | 49.73 in⁴ | 20,700,000 mm⁴ |
| Iy | 16.72 in⁴ | 6,960,000 mm⁴ |
| Sx | 12.45 in³ | 204,000.00 mm³ |
| Sy | 8.36 in³ | 137,000.00 mm³ |
| Zx | 15.68 in³ | 257,000.00 mm³ |
| Zy | 9.64 in³ | 158,000.00 mm³ |
| rx | 2.82 in | 71.70 mm |
| ry | 1.64 in | 41.60 mm |
| J | 41.32 in⁴ | 17,200,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HA203×102×7.9.
Lighter in Rectangular HSS
HA152×102×9.5
- Weight
- 33.3 kg/m (-4.3%)
- Depth
- 152.4 mm (-25%)
- Ix
- 11,500,000 mm⁴ (-44%)
Heavier in Rectangular HSS
HA127×102×13
- Weight
- 37.3 kg/m (+6.8%)
- Depth
- 127.0 mm (-38%)
- Ix
- 8,670,000 mm⁴ (-58%)
Another Iₓ option in Rectangular HSS
HA178×127×9.5
- Weight
- 40.9 kg/m (+18%)
- Depth
- 177.8 mm (-13%)
- Ix
- 20,100,000 mm⁴ (-2.9%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology