UK Parallel Flange Channels & Section Properties
Browse Parallel flange channels from the British steel section catalog. Compare metric-native dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.
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Showing UK · Parallel Flange Channels · Metric
British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · 1,196 sections
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Showing the most relevant 75 sections.
| Designation | Weight (kg/m) | Depth, d (mm) | Width (mm) | Area (mm²) | Ix (mm⁴) | Sx (mm³) |
|---|---|---|---|---|---|---|
| PFC 430×100×64 | 64.4 | 430 | 100 | 8210 | 219000000 | 1020000 |
| PFC 380×100×54 | 54 | 380 | 100 | 6870 | 150000000 | 791000 |
| PFC 300×90×41 | 41.4 | 300 | 90 | 5270 | 72200000 | 481000 |
| PFC 300×100×46 | 45.5 | 300 | 100 | 5800 | 82300000 | 549000 |
| PFC 260×75×28 | 27.6 | 260 | 75 | 3510 | 36200000 | 278000 |
| PFC 260×90×35 | 34.8 | 260 | 90 | 4440 | 47300000 | 364000 |
| PFC 230×75×26 | 25.7 | 230 | 75 | 3270 | 27500000 | 239000 |
| PFC 230×90×32 | 32.2 | 230 | 90 | 4100 | 35200000 | 306000 |
| PFC 200×75×23 | 23.4 | 200 | 75 | 2990 | 19600000 | 196000 |
| PFC 200×90×30 | 29.7 | 200 | 90 | 3790 | 25200000 | 252000 |
| PFC 180×75×20 | 20.3 | 180 | 75 | 2590 | 13700000 | 152000 |
| PFC 180×90×26 | 26.1 | 180 | 90 | 3320 | 18200000 | 202000 |
| PFC 150×75×18 | 17.9 | 150 | 75 | 2280 | 8610000 | 115000 |
| PFC 150×90×24 | 23.9 | 150 | 90 | 3040 | 11600000 | 155000 |
| PFC 125×65×15 | 14.8 | 125 | 65 | 1880 | 4830000 | 77300 |
| PFC 100×50×10 | 10.2 | 100 | 50 | 1300 | 2080000 | 41500 |
Family overview
What are UK Parallel Flange Channels?
Browse Parallel flange channels from the British steel section catalog. Compare metric-native dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.
Designations
Understanding Parallel Flange Channels designations
PFC designations list nominal depth × flange width × mass for parallel-flange channels.
Properties
Parallel Flange Channels properties explained
These properties are especially relevant when comparing Parallel Flange Channels. View the complete property glossary.
| Symbol | Property | Units | Why it matters |
|---|---|---|---|
| Weight | Weight | lb/ft, kg/m | Mass per unit length; used for self-weight and economy comparisons |
| d | Overall depth | in, mm | Overall depth and clearance |
| bf | Flange width | in, mm | Overall flange width and lateral behaviour |
| tw | Web thickness | in, mm | Web thickness and shear-related behaviour |
| tf | Flange thickness | in, mm | Flange thickness and flexural/local behaviour |
| A | Cross-sectional area | in², mm² | Total steel cross-sectional area |
| Ix | Moment of inertia (x) | in⁴, mm⁴ | Major-axis flexural stiffness |
| Iy | Moment of inertia (y) | in⁴, mm⁴ | Minor-axis flexural stiffness |
| Sx | Elastic section modulus (x) | in³, mm³ | Elastic bending property about the x-axis |
| Sy | Elastic section modulus (y) | in³, mm³ | Elastic bending property about the y-axis |
| Zx | Plastic section modulus (x) | in³, mm³ | Plastic bending property about the x-axis |
| Zy | Plastic section modulus (y) | in³, mm³ | Plastic bending property about the y-axis |
| rx | Radius of gyration (x) | in, mm | Strong-axis radius of gyration |
| ry | Radius of gyration (y) | in, mm | Weak-axis radius of gyration and lateral stability relevance |
| J | Torsional constant | in⁴, mm⁴ | Torsional constant |
| Cw | Warping constant | in⁶, mm⁶ | Warping constant for lateral-torsional behaviour |
Library summary
Computed Parallel Flange Channels summary
The current UK Parallel Flange Channels library contains 16 sections across 10 nominal-depth series. Published weights range from 6.85 to 43.27 lb/ft , and actual depths range from 3.94 to 16.93 inches .
- Lightest section
- PFC 100x50x10
- Heaviest section
- PFC 430x100x64
- Ix range
- 5.00 – 526.15 in⁴
- Sx range
- 2.53 – 62.24 in³
Related families
Related UK families
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables v2023.11 · Verified July 2026 · View methodology