Steel Beam Sizes / CISC / HSS Square / HS89×89×7.9
HS89×89×7.9 Dimensions, Weight and Section Properties
CISC Square HSS · v12.1
HS89×89×7.9: 18.9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HS89×89×7.9 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 | 3.50 in | 88.90 mm |
| Width | 3.50 in | 88.90 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 | 6.10 in⁴ | 2,540,000 mm⁴ |
| Iy | 6.10 in⁴ | 2,540,000 mm⁴ |
| Sx | 3.48 in³ | 57,100.00 mm³ |
| Sy | 3.48 in³ | 57,100.00 mm³ |
| Zx | 4.35 in³ | 71,300.00 mm³ |
| Zy | 4.35 in³ | 71,300.00 mm³ |
| rx | 1.28 in | 32.50 mm |
| ry | 1.28 in | 32.50 mm |
| J | 10.40 in⁴ | 4,330,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HS89×89×7.9.
Lighter in Square HSS
HA102×102×6.4
- Weight
- 18.2 kg/m (-3.9%)
- Depth
- 101.6 mm (+14%)
- Ix
- 3,170,000 mm⁴ (+25%)
Heavier in Square HSS
HA152×152×4.8
- Weight
- 21.7 kg/m (+15%)
- Depth
- 152.4 mm (+71%)
- Ix
- 9,050,000 mm⁴ (+256%)
Another Iₓ option in Square HSS
HA102×102×4.8
- Weight
- 14.1 kg/m (-26%)
- Depth
- 101.6 mm (+14%)
- Ix
- 2,530,000 mm⁴ (-0.4%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology