Steel Beam Sizes / CISC / HSS Rectangular / HA127×76×6.4
HA127×76×6.4 Steel Beam Dimensions and Properties
CISC Rectangular HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HA127×76×6.4 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 | 12.20 lb/ft | 18.20 kg/m |
| Height | 5.00 in | 127.00 mm |
| Width | 3.00 in | 76.20 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.225 in | 5.720 mm |
| Area | 3.27 in² | 2,110.00 mm² |
| Ix | 10.45 in⁴ | 4,350,000 mm⁴ |
| Iy | 4.68 in⁴ | 1,950,000 mm⁴ |
| Sx | 4.18 in³ | 68,500.00 mm³ |
| Sy | 3.12 in³ | 51,200.00 mm³ |
| Zx | 5.24 in³ | 85,800.00 mm³ |
| Zy | 3.67 in³ | 60,100.00 mm³ |
| rx | 1.79 in | 45.40 mm |
| ry | 1.20 in | 30.40 mm |
| J | 10.74 in⁴ | 4,470,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA127×76×6.4.
Lighter in Rectangular HSS
HA152×102×4.8
- Weight
- 17.9 kg/m (-1.6%)
- Depth
- 152.4 mm (+20%)
- Ix
- 6,650,000 mm⁴ (+53%)
Heavier in Rectangular HSS
HA102×76×7.9
- Weight
- 18.9 kg/m (+4.1%)
- Depth
- 101.6 mm (-20%)
- Ix
- 2,910,000 mm⁴ (-33%)
Closest Iₓ in Rectangular HSS
HA127×102×4.8
- Weight
- 16.0 kg/m (-12%)
- Depth
- 127.0 mm (0.0%)
- Ix
- 4,290,000 mm⁴ (-1.4%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology