
Technical data
Channel steel standard cross-section dimensions and cross-section area, unit mass, and cross-section characteristics(JIS G 3192)

Sectional secondary moment | I=ai2 |
Sectional secondary radius | i=√I/a |
Sectional modulus | Z=I/e |
(a=Cross-section area)

Cross-section dimensions |
Cross-section area (cm2) |
Unit mass (kg/m) |
Reference | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Center of gravity (cm) |
Sectional secondary moment (cm4) |
Sectional secondary radius (cm) |
Sectional modulus (cm3) |
|||||||||||
H×B | t1 | t2 | r1 | r2 | Cx | Cy | Ix | Iy | ix | iy | Zx | Zy | ||
75×40 | 5 | 7 | 8 | 4 | 8.818 | 6.92 | 0 | 1.28 | 75.3 | 12.2 | 2.92 | 1.17 | 20.1 | 4.47 |
100×50 | 5 | 7.5 | 8 | 4 | 11.92 | 9.36 | 0 | 1.54 | 188 | 26.0 | 3.97 | 1.48 | 37.6 | 7.52 |
125×65 | 6 | 8 | 8 | 4 | 17.11 | 13.4 | 0 | 1.90 | 424 | 61.8 | 4.98 | 1.90 | 67.8 | 13.4 |
150×75 | 6.5 | 10 | 10 | 5 | 23.71 | 18.6 | 0 | 2.28 | 861 | 117 | 6.03 | 2.22 | 115 | 22.4 |
150×75 | 9 | 12.5 | 15 | 7.5 | 30.59 | 24.0 | 0 | 2.31 | 1050 | 147 | 5.86 | 2.19 | 140 | 28.3 |
180×75 | 7 | 10.5 | 11 | 5.5 | 27.20 | 21.4 | 0 | 2.13 | 1380 | 131 | 7.12 | 2.19 | 153 | 24.3 |
200×80 | 7.5 | 11 | 12 | 6 | 31.33 | 24.6 | 0 | 2.21 | 1950 | 168 | 7.88 | 2.32 | 195 | 29.1 |
200×90 | 8 | 13.5 | 14 | 7 | 38.65 | 30.3 | 0 | 2.74 | 2490 | 277 | 8.02 | 2.68 | 249 | 44.2 |
250×90 | 9 | 13 | 14 | 7 | 44.07 | 34.6 | 0 | 2.40 | 4180 | 294 | 9.74 | 2.58 | 334 | 44.5 |
250×90 | 11 | 14.5 | 17 | 8.5 | 51.17 | 40.2 | 0 | 2.40 | 4680 | 329 | 9.56 | 2.54 | 374 | 49.9 |