Steel Beam Sizes / AISC / Channels / C3x5
C3x5 Steel Beam Dimensions and Properties
AISC Channels · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
C3x5 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 | 5.00 lb/ft | 7.40 kg/m |
| Depth, d | 3.00 in | 76.20 mm |
| Flange width, bf | 1.50 in | 38.10 mm |
| tw | 0.258 in | 6.550 mm |
| tf | 0.273 in | 6.930 mm |
| Area | 1.47 in² | 948.00 mm² |
| Ix | 1.85 in⁴ | 770,000.00 mm⁴ |
| Iy | 0.24 in⁴ | 100,000.00 mm⁴ |
| Sx | 1.23 in³ | 20,200.00 mm³ |
| Sy | 0.23 in³ | 3,740.00 mm³ |
| Zx | 1.52 in³ | 24,900.00 mm³ |
| Zy | 0.46 in³ | 7,600.00 mm³ |
| rx | 1.12 in | 28.40 mm |
| ry | 0.41 in | 10.30 mm |
| J | 0.04 in⁴ | 17,700.00 mm⁴ |
| Cw | 0.38 in⁶ | 102,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C3x5.
Lighter in C3
C3x4.1
- Weight
- 4.1 lb/ft (-18%)
- Depth
- 3.00 in (0.0%)
- Ix
- 1.7 in⁴ (-11%)
Heavier in C3
C3x6
- Weight
- 6.0 lb/ft (+20%)
- Depth
- 3.00 in (0.0%)
- Ix
- 2.1 in⁴ (+12%)
Closest Iₓ in C3
C3x3.5
- Weight
- 3.5 lb/ft (-30%)
- Depth
- 3.00 in (0.0%)
- Ix
- 1.6 in⁴ (-15%)
Similar weight in C4
C4x5.4
- Weight
- 5.4 lb/ft (+8.0%)
- Depth
- 4.00 in (+33%)
- Ix
- 3.9 in⁴ (+108%)
Source: AISC Shapes Database v16.0 · Methodology