180×75 CH
Parallel flange channels (CH) from Australian-Sections.xlsx (Sheets 1-19).
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 180 mm | 7.0866 in |
| Flange width, b_f | 75 mm | 2.9528 in |
| Web thickness, t_w | 6 mm | 0.23622 in |
| Flange thickness, t_f | 11 mm | 0.433071 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 14,100,000 mm⁴ | 33.8754 in⁴ |
| Elastic modulus, Sₓ | 156,666.667 mm³ | 9.5604 in³ |
| Plastic modulus, Zₓ | 177,000 mm³ | 10.8012 in³ |
| Radius of gyration, rₓ | 72.8063 mm | 2.8664 in |
| Distance to top fibre | 90 mm | 3.5433 in |
| Distance to bottom fibre | 90 mm | 3.5433 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,510,000 mm⁴ | 3.6278 in⁴ |
| Elastic modulus, S_y | 29,900.99 mm³ | 1.8247 in³ |
| Plastic modulus, Z_y | 55,300 mm³ | 3.3746 in³ |
| Radius of gyration, r_y | 23.8258 mm | 0.938024 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 81,400 mm⁴ | 0.195564 in⁴ |
| Warping constant, C_w | 7.84000e+9 mm⁶ | 29.1954 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 20.881 kg/m | 14.0314 lb/ft |