Steel Beam Sizes / CISC / HSS Rectangular / HS102×76×7.9
HS102×76×7.9 Dimensions, Weight and Section Properties
CISC Rectangular HSS · v12.1
HS102×76×7.9: 18.9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HS102×76×7.9 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 | 12.70 lb/ft | 18.90 kg/m |
| Height | 4.00 in | 101.60 mm |
| Width | 3.00 in | 76.20 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.313 in | 7.940 mm |
| Area | 3.74 in² | 2,410.00 mm² |
| Ix | 7.45 in⁴ | 3,100,000 mm⁴ |
| Iy | 4.71 in⁴ | 1,960,000 mm⁴ |
| Sx | 3.72 in³ | 61,000.00 mm³ |
| Sy | 3.14 in³ | 51,500.00 mm³ |
| Zx | 4.75 in³ | 77,800.00 mm³ |
| Zy | 3.88 in³ | 63,600.00 mm³ |
| rx | 1.41 in | 35.90 mm |
| ry | 1.12 in | 28.50 mm |
| J | 9.90 in⁴ | 4,120,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HS102×76×7.9.
Lighter in Rectangular HSS
HA102×51×9.5
- Weight
- 18.1 kg/m (-3.9%)
- Depth
- 101.6 mm (0.0%)
- Ix
- 2,290,000 mm⁴ (-26%)
Heavier in Rectangular HSS
HA127×102×6.4
- Weight
- 20.7 kg/m (+9.4%)
- Depth
- 127.0 mm (+25%)
- Ix
- 5,420,000 mm⁴ (+75%)
Another Iₓ option in Rectangular HSS
HA127×102×3.2
- Weight
- 10.9 kg/m (-42%)
- Depth
- 127.0 mm (+25%)
- Ix
- 3,010,000 mm⁴ (-2.9%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology