Steel Beam Sizes / CISC / HSS Square / HA178×178×6.4
HA178×178×6.4 Dimensions, Weight and Section Properties
CISC Square HSS · v12.1
HA178×178×6.4: 33.4 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HA178×178×6.4 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 | 22.40 lb/ft | 33.40 kg/m |
| Height | 7.00 in | 177.80 mm |
| Width | 7.00 in | 177.80 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.225 in | 5.720 mm |
| Area | 5.97 in² | 3,850.00 mm² |
| Ix | 45.17 in⁴ | 18,800,000 mm⁴ |
| Iy | 45.17 in⁴ | 18,800,000 mm⁴ |
| Sx | 12.94 in³ | 212,000.00 mm³ |
| Sy | 12.94 in³ | 212,000.00 mm³ |
| Zx | 15.07 in³ | 247,000.00 mm³ |
| Zy | 15.07 in³ | 247,000.00 mm³ |
| rx | 2.75 in | 69.90 mm |
| ry | 2.75 in | 69.90 mm |
| J | 71.35 in⁴ | 29,700,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HA178×178×6.4.
Lighter in Square HSS
HA102×102×13
- Weight
- 32.2 kg/m (-3.6%)
- Depth
- 101.6 mm (-43%)
- Ix
- 4,880,000 mm⁴ (-74%)
Heavier in Square HSS
HA152×152×7.9
- Weight
- 34.7 kg/m (+4.5%)
- Depth
- 152.4 mm (-14%)
- Ix
- 13,900,000 mm⁴ (-26%)
Another Iₓ option in Square HSS
HA152×152×13
- Weight
- 52.4 kg/m (+57%)
- Depth
- 152.4 mm (-14%)
- Ix
- 19,600,000 mm⁴ (+4.3%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology