Steel Beam Sizes / CISC / HSS Square / HA64×64×6.4
HA64×64×6.4 Steel Beam Dimensions and Properties
CISC Square HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HA64×64×6.4 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 | 7.11 lb/ft | 10.60 kg/m |
| Height | 2.50 in | 63.50 mm |
| Width | 2.50 in | 63.50 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.225 in | 5.720 mm |
| Area | 1.92 in² | 1,240.00 mm² |
| Ix | 1.60 in⁴ | 664,000.00 mm⁴ |
| Iy | 1.60 in⁴ | 664,000.00 mm⁴ |
| Sx | 1.28 in³ | 20,900.00 mm³ |
| Sy | 1.28 in³ | 20,900.00 mm³ |
| Zx | 1.60 in³ | 26,200.00 mm³ |
| Zy | 1.60 in³ | 26,200.00 mm³ |
| rx | 0.91 in | 23.20 mm |
| ry | 0.91 in | 23.20 mm |
| J | 2.71 in⁴ | 1,130,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA64×64×6.4.
Lighter in Square HSS
HA76×76×4.8
- Weight
- 10.3 kg/m (-3.1%)
- Depth
- 76.2 mm (+20%)
- Ix
- 1,000,000 mm⁴ (+51%)
Heavier in Square HSS
HA127×127×3.2
- Weight
- 12.2 kg/m (+15%)
- Depth
- 127.0 mm (+100%)
- Ix
- 3,570,000 mm⁴ (+438%)
Closest Iₓ in Square HSS
HS64×64×6.4
- Weight
- 10.6 kg/m (0.0%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 703,000 mm⁴ (+5.9%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology