PFC 180 x 75 x 20 is one of the Parallel flange channels (PFC) of the British library (british channels with parallel flanges): 180 mm deep and 75 mm wide, web 6 mm, flanges 10.5 mm, 20.3 kg/m, area 25.91 cm².
| Dimension | Value | Description |
|---|---|---|
| h | 180 mm | Overall depth |
| b | 75 mm | Overall width (flange width, or leg length) |
| tw | 6 mm | Web thickness |
| tf | 10.5 mm | Flange thickness |
| r1 | 12 mm | Root radius (fillet between flange and web), or external corner radius for hollow sections |
| hi | 159 mm | Internal depth between flanges |
| d | 135 mm | Depth of the straight portion of the web between fillets |
| x | 24.1 mm | Distance from the back of the web (or heel) to the centroid, horizontal |
| xm | 50.5 mm | Distance from the shear centre to the back of the web |
| ss | 23.5 mm | Stiff bearing length |
| G | 20.3 kg/m | Mass per metre |
| A | 25.91 cm² | Cross-sectional area |
| AL | 0.638 m²/m | Painting surface per metre |
| AG | 31.36 m²/t | Painting surface per tonne |
Section properties
The structural properties of PFC 180 x 75 x 20 are available in the Steel Profiles app with the British library:
- Iy, Wel,y, Wpl,y, iy
- Avz shear area
- Iz, Wel,z, Wpl,z, iz
- IT and Iw
- Maximum bolt size and edge distances
- EN 1993-1-1 class for S235, S355 and S460
The app also runs design checks to EN 1993-1-1 on PFC 180 x 75 x 20, finds the closest sections in the AISC, European, Canadian and Australian standards and compares it side by side with any other section.
Full properties in Steel Profiles
The free app shows PFC 180 x 75 x 20 with its dimensions and drawing on iPhone, iPad and Mac. The British library unlocks the complete structural properties, the design checks to Eurocode 3, the Equivalent Finder across standards and the comparison of up to three sections. Favorites, weight lists and saved sections sync through iCloud.