Steel Beam Sizes / UK / Parallel Flange Channels / PFC 180×75×20
PFC 180×75×20 Steel Beam Dimensions and Properties
UK Parallel flange channels · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
PFC 180×75×20 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 | 13.64 lb/ft | 20.30 kg/m |
| Depth, d | 7.09 in | 180.00 mm |
| Flange width, bf | 2.95 in | 75.00 mm |
| tw | 0.236 in | 6.000 mm |
| tf | 0.413 in | 10.500 mm |
| Area | 4.01 in² | 2,590.00 mm² |
| Ix | 32.91 in⁴ | 13,700,000 mm⁴ |
| Iy | 3.51 in⁴ | 1,460,000 mm⁴ |
| Sx | 9.28 in³ | 152,000.00 mm³ |
| Sy | 1.77 in³ | 29,000.00 mm³ |
| Zx | 10.74 in³ | 176,000.00 mm³ |
| Zy | 3.16 in³ | 51,800.00 mm³ |
| rx | 2.86 in | 72.70 mm |
| ry | 0.94 in | 23.80 mm |
| J | 0.18 in⁴ | 73,400.00 mm⁴ |
| Cw | 28.08 in⁶ | 7,540,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus PFC 180×75×20.
Lighter in Parallel flange channels
PFC 150×75×18
- Weight
- 17.9 kg/m (-12%)
- Depth
- 150.0 mm (-17%)
- Ix
- 8,610,000 mm⁴ (-37%)
Heavier in Parallel flange channels
PFC 200×75×23
- Weight
- 23.4 kg/m (+15%)
- Depth
- 200.0 mm (+11%)
- Ix
- 19,600,000 mm⁴ (+43%)
Closest Iₓ in Parallel flange channels
PFC 150×90×24
- Weight
- 23.9 kg/m (+18%)
- Depth
- 150.0 mm (-17%)
- Ix
- 11,600,000 mm⁴ (-15%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology