实用文档
方钢尺寸规格参数表
(1) 尺寸规格见表6—40-表6—45。国标号GB/76728-2007
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J／cm4截面系数W=W／cm3=JAS xyx y mm
O.348O.273O.8O.0739O.123
12
O.1461.00 4230.332O.0873
0.144O.2061.00.503O.394
14
1.5O.712O.192O.5590.274
O.278O.4581.OO.583O.222
16
1.5O.8320.653O.300O.374
O.3600.663O.324O.5211.O
O.491O.4420.9520.747181.5
0.5950.5351.212.OO.952
0 4531.0O.743O.4530.583
O.6240.624O.8411.51.07
20
2.01.37O.7631.08O.763
O.8741.291.642.5O.874
O.612O.5561O.823O.646
0.8501.522O.9361.19O.773
1.05O.9531.201.5327
标准文案
实用文档
2.51.841.451.211.10 1.491.862.142.51.68 25
1.573
2.491.952.08
3.412.52.272.642.08 3.862.423.012.583 30
4.253.53.502.752.83
3.053.0543.89
4.58
2.632.842.232.54.21
3.003.333
4.792.6132 3.312.97
5.293.53 78 3.585.733243.304.21 3.223.142.52.475.54
3.683.6936.452.89
4.09357.163.54.203.30
4.4543.687.784.68
5.024.388.7955.58
3.436.183.242.552.5
3.933.8137.072.99
4.377.874.3_43.4l363.5
4.764.853.8l8.564
5.399.7055.754.53
4.343.648.682.862.5
4.9933.374.299.98
5.5811.163.853.54.90 40
46.1l5.4912.214.3l 13.985.166.586.995 15.347.555.937.676 10.153.024.833.842.5 42
11.7033.555.574.53
标准文案
实用文档
3.55.18
4.0713.106.24
6.844.5614.3745.81
7.876.98516.565.48
8.586.30618.228.03
7.304.405.6016.433.5
8.034518.0746.234.94
9.295.95520.907.58 lO.3123.1968.756.87
11.1024.977459.817.80 11.598.4410.826.308
10.227.095.56425.56
11.936.738.5829.815
13.349.956507.8l33.35
14.4936.2311.2178.80
15.4112.3538.5189.70 12.587.89434.876.19 14.89540.959.587.52 16.77558.7511.1546.136
18.3550.4712.5179.90
19.6510.95854.0413.95 15.448.696.8246.21 18.1954.578.3010.585 20.6166012.359.6961.82 22.6814.0l11.0068.037 24.4373.2812.21815.55 18.399.4947.4559.78 21.829.07511.5870.92 65
613.5524.8410.6480.72 89.27727.4612.1015.41标准文案
实用文档
817.1513.4796.6429.74 21.6510.298.08475.78 25.7990.269.8712.58570 29.47614.7103.111.58 32.72114.5713.1916.81 70
818.7514.7235.57124.5 94.48.7025.17411.09
112.830.0813.58510.66
129.412.5215.957534.506
144.218 2138.44714.29
157.341.9420.35815.98
115.911.89428.969.33
138.934.72514.5811.44
159.78017.1539.9313.466
178.544.6315.3919.617
195.4848.8517.2321.95
217.116.98513.3347.19
251.120.0354.59615.72
282.318.0322.9761.387
310.9825.7920.2567.58
282.856.5718.5814.585
328.217.2365.5421.956
100
725.2119.7974.04370.2
81.78822.2628.35408.9
91.54721.9928.01503.4
101.411024.77557.931.558
11O.6608.4927.4634.98
注：理论质量计算
G=0.0157S(A+A 一 2.8584S)
标准文案
