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.81.0 O.3480 423 O.2730.332 O.0739O.0873 O.123O.146
14 1.0 1.5 0.503O.712 O.394O.559 0.144O.192 O.2060.274
16 1.O1.5 O.583O.832 O.4580.653 O.222O.300 O.278O.374
18 1.O1.52.O 0.6630.9521.21 O.5210.747O.952 O.324O.4420.535 O.360O.4910.595
20 1.01.52.02.5 O.7431.071.371.64 0.583O.8411.081.29 O.4530.624O.763O.874 0 453O.624O.763O.874
22 11.522.5 O.8231.191.531.84 O.646O.9361.201.45 O.6120.8501.051.21 O.556O.773O.9531.10
25 2.53 2.142.49 1.681.95 1.862.08 1.491.57
30 2.533.54 2.643.013.503.89 2.082.422.753.05 3.413.864.254.58 2.272.582.833.05
32 2.533.5 2.843.333 78 2.232.612.97 4.214.795.29 2.633.003.31
32 4 4.21 3.30 5.73 3.58
35 2.533.545 3.143.694.204.685.58 2.472.893.303.684.38 5.546.457.167.788.79 3.223.684.094.455.02
36 2.533.545 3.243.814.3_44.855.75 2.552.993.4l3.8l4.53 6.187.077.878.569.70 3.433.934.374.765.39
40 2.533.5456 3.644.294.905.496.587.55 2.863.373.854.3l5.165.93 8.689.9811.1612.2113.9815.34 4.344.995.586.1l6.997.67
42 2.533.5456 3.844.535.185.816.988.03 3.023.554.074.565.486.30 10.1511.7013.1014.3716.5618.22 4.835.576.246.847.878.58
45 3.545 5.606.237.58 4.404.945.95 16.4318.0720.90 7.308.039.29
45 678 8.759.8110.8 6.877.808.44 23.1924.9726.30 lO.3111.1011.59
50 45678 7.098.589.9511.2112.35 5.566.737.8l8.809.70 25.5629.8133.3536.2338.51 10.2211.9313.3414.4915.41
55 45678 7.899.5811.1512.5113.95 6.197.528.759.9010.95 34.8740.9546.1350.4754.04 12.5814.8916.7718.3519.65
60 45678 8.6910.5812.3514.0l15.55 6.828.309.6911.0012.21 46.2154.5761.8268.0373.28 15.418.1920.6122.6824.43
65 45678 9.4911.5813.5515.4117.15 7.459.0710.6412.1013.47 59.7870.9280.7289.2796.64 18.3921.8224.8427.4629.74
70 456 10.2912.5814.7 8.089.8711.58 75.7890.26103.1 21.6525.7929.47
70 78 16.8118.75 13.1914.72 114.5124.5 32.7235.57
75 45678 11.0913.5815.9518 2120.35 8.7010.6612.5214.2915.98 94.4112.8129.4144.2157.3 25.1730.0834.5038.4441.94
80 45678 11.8914.5817.1519.6121.95 9.3311.4413.4615.3917.23 115.9138.9159.7178.5195.4 28.9634.7239.9344.6348.85
5678 16.9820.0322.9725.79 13.3315.7218.0320.25 217.1251.1282.3310.9 47.1954.5961.3867.58
100 5678 18.5821.9525.2128.35 14.5817.2319.7922.26 282.8328.2370.2408.9 56.5765.5474.0481.78
110 789 28.0131.5534.98 21.9924.7727.46 503.4557.9608.4 91.54101.411O.6
注：理论质量计算
G=0.0157S(A+A一2.8584S)
式中 G——每米钢管的质量(kg/m);
A——方形钢管的边长(mm);
S——方形钢管的公称壁厚(mm).
|
