Steel Beam Sizes / CISC / HSS Square / HS305×305×19
HS305×305×19 Steel Beam Dimensions and Properties
CISC Square HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HS305×305×19 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 | 110.00 lb/ft | 164.00 kg/m |
| Height | 12.00 in | 304.80 mm |
| Width | 12.00 in | 304.80 mm |
| Nominal tw | 0.750 in | 19.050 mm |
| Design tw | 0.750 in | 19.050 mm |
| Area | 32.24 in² | 20,800.00 mm² |
| Ix | 665.50 in⁴ | 277,000,000 mm⁴ |
| Iy | 665.50 in⁴ | 277,000,000 mm⁴ |
| Sx | 111.06 in³ | 1,820,000 mm³ |
| Sy | 111.06 in³ | 1,820,000 mm³ |
| Zx | 134.25 in³ | 2,200,000 mm³ |
| Zy | 134.25 in³ | 2,200,000 mm³ |
| rx | 4.53 in | 115.00 mm |
| ry | 4.53 in | 115.00 mm |
| J | 1,095.54 in⁴ | 456,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS305×305×19.
Lighter in Square HSS
HA406×406×13
- Weight
- 154.0 kg/m (-6.4%)
- Depth
- 406.4 mm (+33%)
- Ix
- 456,000,000 mm⁴ (+65%)
Heavier in Square HSS
HA457×457×13
- Weight
- 174.0 kg/m (+6.4%)
- Depth
- 457.2 mm (+50%)
- Ix
- 658,000,000 mm⁴ (+138%)
Closest Iₓ in Square HSS
HA305×305×19
- Weight
- 164.0 kg/m (0.0%)
- Depth
- 304.8 mm (0.0%)
- Ix
- 256,000,000 mm⁴ (-7.6%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology