(1)尺寸规格见表6—40-表6—45。
表6-40冷拔无缝方形钢管的尺寸规格
基本尺寸 | 截面面积F/cm2 | 理论质量G/(kg/m) | 惯性矩Jx=Jy/cm4 | 截面系数Wx=Wy/cm3 | |
A | S | ||||
mm | |||||
12 | O.8 1.0 | O.348 0 423 | O.273 0.332 | O.0739 O.0873 | O.123 O.146 |
14 | 1.0 1.5 | 0.503 O.712 | O.394 O.559 | 0.144 O.192 | O.206 0.274 |
16 | 1.O 1.5 | O.583 O.832 | O.458 0.653 | O.222 O.300 | O.278 O.374 |
18 | 1.O 1.5 2.O | 0.663 0.952 1.21 | O.521 0.747 O.952 | O.324 O.442 0.535 | O.360 O.491 0.595 |
20 | 1.0 1.5 2.0 2.5 | O.743 1.07 1.37 1.64 | 0.583 O.841 1.08 1.29 | O.453 0.624 O.763 O.874 | 0 453 O.624 O.763 O.874 |
22 | 1 1.5 2 2.5 | O.823 1.19 1.53 1.84 | O.646 O.936 1.20 1.45 | O.612 0.850 1.05 1.21 | O.556 O.773 O.953 1.10 |
25 | 2.5 3 | 2.14 2.49 | 1.68 1.95 | 1.86 2.08 | 1.49 1.57 |
30 | 2.5 3 3.5 4 | 2.64 3.01 3.50 3.89 | 2.08 2.42 2.75 3.05 | 3.41 3.86 4.25 4.58 | 2.27 2.58 2.83 3.05 |
32 | 2.5 3 3.5 | 2.84 3.33 3 78 | 2.23 2.61 2.97 | 4.21 4.79 5.29 | 2.63 3.00 3.31 |
32 | 4 | 4.21 | 3.30 | 5.73 | 3.58 |
35 | 2.5 3 3.5 4 5 | 3.14 3.69 4.20 4.68 5.58 | 2.47 2.89 3.30 3.68 4.38 | 5.54 6.45 7.16 7.78 8.79 | 3.22 3.68 4.09 4.45 5.02 |
36 | 2.5 3 3.5 4 5 | 3.24 3.81 4.3_4 4.85 5.75 | 2.55 2.99 3.4l 3.8l 4.53 | 6.18 7.07 7.87 8.56 9.70 | 3.43 3.93 4.37 4.76 5.39 |
40 | 2.5 3 3.5 4 5 6 | 3.64 4.29 4.90 5.49 6.58 7.55 | 2.86 3.37 3.85 4.3l 5.16 5.93 | 8.68 9.98 11.16 12.21 13.98 15.34 | 4.34 4.99 5.58 6.1l 6.99 7.67 |
42 | 2.5 3 3.5 4 5 6 | 3.84 4.53 5.18 5.81 6.98 8.03 | 3.02 3.55 4.07 4.56 5.48 6.30 | 10.15 11.70 13.10 14.37 16.56 18.22 | 4.83 5.57 6.24 6.84 7.87 8.58 |
45 | 3.5 4 5 | 5.60 6.23 7.58 | 4.40 4.94 5.95 | 16.43 18.07 20.90 | 7.30 8.03 9.29 |
45 | 6 7 8 | 8.75 9.81 10.8 | 6.87 7.80 8.44 | 23.19 24.97 26.30 | lO.31 11.10 11.59 |
50 | 4 5 6 7 8 | 7.09 8.58 9.95 11.21 12.35 | 5.56 6.73 7.8l 8.80 9.70 | 25.56 29.81 33.35 36.23 38.51 | 10.22 11.93 13.34 14.49 15.41 |
55 | 4 5 6 7 8 | 7.89 9.58 11.15 12.51 13.95 | 6.19 7.52 8.75 9.90 10.95 | 34.87 40.95 46.13 50.47 54.04 | 12.58 14.89 16.77 18.35 19.65 |
60 | 4 5 6 7 8 | 8.69 10.58 12.35 14.0l 15.55 | 6.82 8.30 9.69 11.00 12.21 | 46.21 54.57 61.82 68.03 73.28 | 15.4 18.19 20.61 22.68 24.43 |
65 | 4 5 6 7 8 | 9.49 11.58 13.55 15.41 17.15 | 7.45 9.07 10.64 12.10 13.47 | 59.78 70.92 80.72 89.27 96.64 | 18.39 21.82 24.84 27.46 29.74 |
70 | 4 5 6 | 10.29 12.58 14.7 | 8.08 9.87 11.58 | 75.78 90.26 103.1 | 21.65 25.79 29.47 |
70 | 7 8 | 16.81 18.75 | 13.19 14.72 | 114.5 124.5 | 32.72 35.57 |
75 | 4 5 6 7 8 | 11.09 13.58 15.95 18 21 20.35 | 8.70 10.66 12.52 14.29 15.98 | 94.4 112.8 129.4 144.2 157.3 | 25.17 30.08 34.50 38.44 41.94 |
80 | 4 5 6 7 8 | 11.89 14.58 17.15 19.61 21.95 | 9.33 11.44 13.46 15.39 17.23 | 115.9 138.9 159.7 178.5 195.4 | 28.96 34.72 39.93 44.63 48.85 |
5 6 7 8 | 16.98 20.03 22.97 25.79 | 13.33 15.72 18.03 20.25 | 217.1 251.1 282.3 310.9 | 47.19 54.59 61.38 67.58 | |
100 | 5 6 7 8 | 18.58 21.95 25.21 28.35 | 14.58 17.23 19.79 22.26 | 282.8 328.2 370.2 408.9 | 56.57 65.54 74.04 81.78 |
110 | 7 8 9 | 28.01 31.55 34.98 | 21.99 24.77 27.46 | 503.4 557.9 608.4 | 91.54 101.4 11O.6 |