SD30, SD40
Size and Weight
| Standard Sectional Dimesion mm. | Sectional Area cm2 | Unit Weight kg/m | Reference | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Position of Center of Gravity cm. | Geometrical Moment of Ineryia cm4 | Raidus of Gyration of Area cm. | Modulus of Section cm3 | ||||||||||||||
| AxB | t | r1 | r2 | Cx | Cy | Ix | Iy | Max ix | Min iy | ix | iy | Max ix | Max iy | Zx | Zy | ||
| 25x25 | 3 | 4 | 2 | 1.427 | 1.12 | 0.719 | 0.719 | 0.797 | 0.797 | 1.26 | 0.332 | 0.747 | 0.747 | 0.94 | 0.483 | 0.448 | 0.448 |
| 5 | 3.5 | 2.4 | 2.26 | 1.77 | 0.8 | 0.8 | 1.2 | 1.2 | 1.89 | 0.52 | 0.73 | 0.73 | 0.91 | 0.48 | 0.71 | 0.71 | |
| 30x30 | 3 | 4 | 2 | 1.727 | 1.36 | 0.844 | 0.844 | 1.42 | 1.42 | 2.26 | 0.59 | 0.908 | 0.908 | 1.14 | 0.585 | 0.661 | 0.661 |
| 5 | 5 | 2.4 | 2.78 | 2.18 | 0.92 | 0.92 | 2.16 | 2.16 | 3.41 | 0.92 | 0.88 | 0.88 | 1.11 | 0.57 | 1.04 | 1.04 | |
| 40x40 | 3 | 4.5 | 2 | 2.336 | 1.83 | 1.09 | 1.09 | 3.53 | 3.53 | 5.6 | 1.46 | 1.23 | 1.23 | 1.55 | 0.79 | 1.21 | 1.21 |
| 5 | 4.5 | 3 | 3.755 | 2.95 | 1.17 | 1.17 | 5.42 | 5.42 | 8.59 | 2.25 | 1.2 | 1.2 | 1.51 | 0.774 | 1.91 | 1.91 | |
| 6 | 6 | 2.4 | 4.48 | 3.52 | 1.2 | 1.2 | 6.31 | 6.31 | 9.98 | 2.65 | 1.19 | 1.19 | 1.49 | 0.77 | 2.26 | 2.26 | |
| 45x45 | 4 | 6.5 | 3 | 3.492 | 2.74 | 1.24 | 1.24 | 6.5 | 6.5 | 10.3 | 2.7 | 1.36 | 1.36 | 1.72 | 0.88 | 2 | 2 |
| 5 | 6.5 | 3 | 4.302 | 3.38 | 1.28 | 1.28 | 7.91 | 7.91 | 12.5 | 3.29 | 1.36 | 1.36 | 1.71 | 0.874 | 2.46 | 2.46 | |
| 50x50 | 3 | 7 | 2.4 | 2.96 | 2.33 | 1.31 | 1.31 | 6.86 | 6.86 | 10.8 | 2.88 | 1.52 | 1.52 | 1.91 | 0.99 | 1.86 | 1.86 |
| 4 | 6.5 | 3 | 3.892 | 3.06 | 1.37 | 1.37 | 9.06 | 9.06 | 14.4 | 3.76 | 1.53 | 1.53 | 1.92 | 0.983 | 2.49 | 2.49 | |
| 5 | 6.5 | 3 | 4.802 | 3.77 | 1.41 | 1.41 | 11.1 | 11.1 | 17.5 | 4.58 | 1.52 | 1.52 | 1.91 | 0.976 | 3.08 | 3.08 | |
| 6 | 6.5 | 4.5 | 5.644 | 4.43 | 1.44 | 1.44 | 12.6 | 12.6 | 20 | 5.23 | 1.5 | 1.5 | 1.88 | 0.963 | 3.55 | 3.55 | |
| 60x60 | 4 | 6.5 | 3 | 4.692 | 3.68 | 1.61 | 1.61 | 16 | 16 | 25.4 | 6.62 | 1.85 | 1.85 | 2.33 | 1.19 | 3.66 | 3.66 |
| 5 | 6.5 | 3 | 5.802 | 4.55 | 1.66 | 1.66 | 19.6 | 19.6 | 31.2 | 8.09 | 1.84 | 1.84 | 2.32 | 1.18 | 4.52 | 4.52 | |
| 65x65 | 5 | 8.5 | 3 | 6.367 | 5 | 1.77 | 1.77 | 25.3 | 25.3 | 40.1 | 10.5 | 1.99 | 1.99 | 2.51 | 1.28 | 5.35 | 5.35 |
| 6 | 8.5 | 4 | 7.527 | 5.91 | 1.81 | 1.81 | 29.4 | 29.4 | 46.6 | 12.2 | 1.98 | 1.98 | 2.49 | 1.27 | 6.26 | 6.26 | |
| 8 | 8.5 | 6 | 9.761 | 7.66 | 1.88 | 1.88 | 36.8 | 36.8 | 58.3 | 15.3 | 1.94 | 1.94 | 2.44 | 1.25 | 7.96 | 7.96 | |
| 70x70 | 6 | 8.5 | 4 | 8.127 | 6.38 | 1.93 | 1.93 | 37.1 | 37.1 | 58.9 | 15.3 | 2.14 | 2.14 | 2.69 | 1.37 | 7.33 | 7.33 |
| 75x75 | 6 | 8.5 | 4 | 8.727 | 6.85 | 2.06 | 2.06 | 46.1 | 46.1 | 73.2 | 19 | 2.3 | 2.3 | 2.9 | 1.48 | 8.47 | 8.47 |
| 9 | 8.5 | 6 | 12.69 | 9.96 | 2.17 | 2.17 | 64.4 | 64.4 | 102 | 26.7 | 2.25 | 2.25 | 2.84 | 1.45 | 12.1 | 12.1 | |
| 12 | 8.5 | 6 | 16.56 | 13 | 2.29 | 2.29 | 81.9 | 81.9 | 129 | 34.5 | 2.22 | 2.22 | 2.79 | 1.44 | 15.7 | 15.7 | |
| 80x80 | 6 | 8.5 | 4 | 9.327 | 7.32 | 2.18 | 2.18 | 56.4 | 56.4 | 89.6 | 23.2 | 2.46 | 2.46 | 3.1 | 1.58 | 9.7 | 9.7 |
| 90x90 | 6 | 10 | 5 | 10.55 | 8.28 | 2.42 | 2.42 | 80.7 | 80.7 | 128 | 33.4 | 2.77 | 2.77 | 3.48 | 1.78 | 12.3 | 12.3 |
| 7 | 10 | 5 | 12.22 | 9.59 | 2.46 | 2.46 | 93 | 93 | 148 | 38.3 | 2.76 | 2.76 | 3.48 | 1.77 | 14.2 | 14.2 | |
| 10 | 10 | 7 | 17 | 13.3 | 2.57 | 2.57 | 125 | 125 | 199 | 51.7 | 2.71 | 2.71 | 3.42 | 1.74 | 19.5 | 19.5 | |
| 12 | 11 | 4.8 | 20.3 | 15.9 | 2.66 | 2.66 | 148 | 148 | 234 | 61.7 | 2.7 | 2.7 | 3.4 | 1.75 | 23.3 | 23.3 | |
| 13 | 10 | 7 | 21.71 | 17 | 2.69 | 2.69 | 156 | 156 | 248 | 65.3 | 2.68 | 2.68 | 3.38 | 1.73 | 24.8 | 24.8 | |
| 100x100 | 7 | 10 | 5 | 13.62 | 10.7 | 2.71 | 2.71 | 129 | 129 | 205 | 53.2 | 3.08 | 3.08 | 3.88 | 1.98 | 17.7 | 17.7 |
| 10 | 10 | 7 | 19 | 14.9 | 2.82 | 2.82 | 175 | 175 | 278 | 72 | 3.04 | 3.04 | 3.83 | 1.95 | 24.4 | 24.4 | |
| 12 | 12 | 4.8 | 22.7 | 17.8 | 2.9 | 2.9 | 207 | 207 | 328 | 85.7 | 3.02 | 3.02 | 3.8 | 1.94 | 29.1 | 29.1 | |
| 13 | 10 | 7 | 24.31 | 19.1 | 2.94 | 2.94 | 220 | 220 | 348 | 91.1 | 3 | 3 | 3.78 | 1.94 | 31.1 | 31.1 | |
| 120x120 | 8 | 12 | 5 | 18.76 | 14.7 | 3.24 | 3.24 | 258 | 258 | 410 | 106 | 3.71 | 3.71 | 4.67 | 2.38 | 29.5 | 29.5 |
| 130x130 | 9 | 12 | 6 | 22.74 | 17.9 | 3.53 | 3.53 | 366 | 366 | 583 | 150 | 4.01 | 4.01 | 5.06 | 2.57 | 38.7 | 38.7 |
| 12 | 12 | 8.5 | 29.76 | 23.4 | 3.64 | 3.64 | 467 | 467 | 743 | 192 | 3.96 | 3.96 | 5 | 2.54 | 49.9 | 49.9 | |
| 15 | 12 | 8.5 | 36.75 | 28.8 | 3.76 | 3.76 | 568 | 568 | 902 | 234 | 3.93 | 3.93 | 4.95 | 2.53 | 21.5 | 21.5 | |
| 150x150 | 12 | 14 | 7 | 34.77 | 27.3 | 4.14 | 4.14 | 740 | 740 | 1,180 | 304 | 4.16 | 4.16 | 5.82 | 2.96 | 68.1 | 68.1 |
| 15 | 14 | 10 | 42.74 | 33.6 | 4.24 | 4.24 | 888 | 888 | 1,410 | 365 | 4.56 | 4.56 | 5.75 | 2.92 | 82.6 | 82.6 | |
| 19 | 14 | 10 | 53.38 | 41.9 | 4.4 | 4.4 | 1,090 | 1,090 | 1,730 | 451 | 4.52 | 4.52 | 5.69 | 2.91 | 103 | 103 | |
| 175x175 | 12 | 15 | 11 | 40.52 | 31.8 | 4.73 | 4.73 | 1,170 | 1,170 | 1,860 | 480 | 5.38 | 5.38 | 6.78 | 3.44 | 91.8 | 91.8 |
| 15 | 15 | 11 | 50.21 | 39.4 | 4.85 | 4.85 | 1,440 | 1,440 | 2,290 | 589 | 5.35 | 5.35 | 6.75 | 3.42 | 114 | 114 | |
| 200x200 | 15 | 17 | 12 | 57.75 | 45.3 | 5.46 | 5.46 | 2,180 | 2,180 | 3,470 | 891 | 6.14 | 6.14 | 7.75 | 3.93 | 150 | 150 |
| 20 | 17 | 12 | 76 | 59.7 | 5.67 | 5.67 | 2,820 | 2,820 | 4,490 | 1,160 | 6.09 | 6.09 | 7.68 | 3.9 | 197 | 197 | |
| 25 | 17 | 12 | 93.75 | 73.6 | 5.86 | 5.86 | 3,420 | 3,420 | 5,420 | 1,410 | 6.04 | 6.04 | 7.61 | 3.88 | 242 | 242 | |
| 250x250 | 25 | 24 | 12 | 119.4 | 93.7 | 7.1 | 7.1 | 6,950 | 6,950 | 11,000 | 2,860 | 7.63 | 7.63 | 9.62 | 4.9 | 388 | 388 |
| 35 | 24 | 18 | 162.6 | 128 | 7.45 | 7.45 | 9,110 | 9,110 | 14,400 | 3,790 | 7.49 | 7.49 | 9.42 | 4.83 | 519 | 519 | |
| * Source = www.khcsteel.com | |||||||||||||||||