Parallel flange channel is normally called a channel or a “C-section”. They are described by their depth, width and weight per metre in kilograms, eg. 150 x 75 x 18 PFC. The PFC is used for columns, lintels above doors or simply a beam supporting floor joists. When used for lintels, they have a bottom plate welded to it that takes the outer bricks or 2 channels are bolted back to back with 100 mm spacers to support both leafs of a cavity wall.

Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Web
thickness
[mm]
Flange
thickness
[mm]
100 x 50 x 10 PFC 10.2 100 50 5.0 8.5
125 x 65 x 15 PFC 14.8 125 65 5.5 9.5
150 x 75 x 18 PFC 17.9 150 75 5.5 10.0
150 x 90 x 24 PFC 23.9 150 90 6.5 12.0
180 x 75 x 20 PFC 20.3 180 75 6.0 10.5
180 x 90 x 26 PFC 26.1 180 90 6.5 12.5
200 x 75 x 23 PFC 23.4 200 75 6.0 12.5
200 x 90 x 30 PFC 29.7 200 90 7.0 14.0
230 x 75 x 26 PFC 25.7 230 75 6.5 12.5
230 x 90 x 32 PFC 32.2 230 90 7.5 14.0
260 x 75 x 28 PFC 27.6 260 75 7.0 12.0
260 x 90 x 35 PFC 34.8 260 90 8.0 14.0
300 x 90 x 41 PFC 41.4 300 90 9.0 15.5
300 x 100 x 46 PFC 45.5 300 100 9.0 16.5
380 x 100 x 54 PFC 54.0 380 100 9.5 17.5
430 x 100 x 64 PFC 64.4 430 100 11.0 19.0