Australia Channels (CH) & Section Properties
Browse Australian Australian channels from the supplied metric section workbook. Compare dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.
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Showing Australia · Channels (CH) · Metric
Australian-Sections.xlsx (Sheets 1-19) · 443 sections
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Filter by series
Showing the most relevant 75 sections.
| Designation | Weight (kg/m) | Depth, d (mm) | Width (mm) | Area (mm²) | Ix (mm⁴) | Sx (mm³) |
|---|---|---|---|---|---|---|
| 380×100 CH | 55.2169 | 380 | 100 | 7034 | 152000000 | 800000 |
| 300×90 CH | 40.0978 | 300 | 90 | 5108 | 72400000 | 482666.666667 |
| 250×90 CH | 35.4977 | 250 | 90 | 4522 | 45100000 | 360800 |
| 230×75 CH | 25.12785 | 230 | 75 | 3201 | 26800000 | 233043.478261 |
| 200×75 CH | 22.922 | 200 | 75 | 2920 | 19100000 | 191000 |
| 180×75 CH | 20.881 | 180 | 75 | 2660 | 14100000 | 156666.666667 |
| 150×75 CH | 17.6939 | 150 | 75 | 2254 | 8340000 | 111200 |
| 125×65 CH | 13.4235 | 125 | 65 | 1710 | 4240000 | 67840 |
| 100×50 CH | 9.3415 | 100 | 50 | 1190 | 1880000 | 37600 |
| 75×40 CH | 6.64895 | 75 | 40 | 847 | 721000 | 19226.666667 |
Family overview
What are Australia Channels (CH)?
Browse Australian Australian channels from the supplied metric section workbook. Compare dimensions and section properties, open a designation for full details, or load a section into Optimal Beam.
Designations
Understanding Channels (CH) designations
CH designations list nominal depth × flange width. In this workbook, Sheet6 contains three taper-flange channels and Sheet7 contains seven parallel-flange channels under the same CH suffix.
Nominal depth series
Browse by series
Use these series labels to filter the finder table above.
Properties
Channels (CH) properties explained
These properties are especially relevant when comparing Channels (CH). 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 Channels (CH) summary
The current Australia Channels (CH) library contains 10 sections across 10 nominal-depth series. Published weights range from 4.47 to 37.10 lb/ft , and actual depths range from 2.95 to 14.96 inches .
- Lightest section
- 75x40 CH
- Heaviest section
- 380x100 CH
- Ix range
- 1.73 – 365.18 in⁴
- Sx range
- 1.17 – 48.82 in³
Related families
Related Australia families
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Source: Australian-Sections.xlsx (Sheets 1-19) v2019.11 · Verified July 2026 · View methodology