250×90 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 | 250 mm | 9.8425 in |
| Flange width, b_f | 90 mm | 3.5433 in |
| Web thickness, t_w | 8 mm | 0.314961 in |
| Flange thickness, t_f | 15 mm | 0.590551 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 45,100,000 mm⁴ | 108.3532 in⁴ |
| Elastic modulus, Sₓ | 360,800 mm³ | 22.0174 in³ |
| Plastic modulus, Zₓ | 414,000 mm³ | 25.2638 in³ |
| Radius of gyration, rₓ | 99.8672 mm | 3.9318 in |
| Distance to top fibre | 125 mm | 4.9213 in |
| Distance to bottom fibre | 125 mm | 4.9213 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,640,000 mm⁴ | 8.7451 in⁴ |
| Elastic modulus, S_y | 59,283.388 mm³ | 3.6177 in³ |
| Plastic modulus, Z_y | 109,000 mm³ | 6.6516 in³ |
| Radius of gyration, r_y | 28.3717 mm | 1.117 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 238,000 mm⁴ | 0.571797 in⁴ |
| Warping constant, C_w | 3.59000e+10 mm⁶ | 133.6879 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 35.4977 kg/m | 23.8534 lb/ft |