鋼管和異形結構管的尺寸與特性
瀏覽：20 發布日期：2020/10/15 12:23:00
鋼管
鋼管（未填充）的尺寸與特性各表中列出了標準管、厚壁管和特厚壁管的尺寸選用范圍。
方形和短形結構管材（未填充）的尺寸與特性各表中列出了常用規格的選擇范圍。
這些尺寸與特性表是根據外圓角半徑等于規定壁厚的兩倍計算的。外圓角半徑變化范圍可達到規定壁厚的三倍。這外變化范圍在那些緊配合很重要的細節中應加以考慮。
鋼管的尺寸與特性
尺 寸 | 每英尺 重量 水平端面 | 特 性 | ||||||
公稱直徑ln. | 外徑ln. | 內徑ln. | 壁厚ln. | A ln.2 | I ln.4 | S ln.3 | r ln. | |
1/2 | .840 | .622 | .109 | .85 | .250 | .017 | .041 | .261 |
3/4 | 1.050 | .824 | .113 | 1.13 | .333 | .037 | .071 | .334 |
1 | 1.315 | 1.049 | .133 | 1.68 | .494 | .087 | .133 | .421 |
1 1/4 | 1.660 | 1.380 | .140 | 2.27 | .669 | .195 | .235 | .540 |
1 1/2 | 1.900 | 1.610 | .145 | 2.72 | .799 | .310 | .326 | .623 |
2 | 2.375 | 2.067 | .154 | 3.65 | 1.07 | .666 | .561 | .787 |
2 1/2 | 2.875 | 2.469 | .203 | 5.79 | 1.70 | 1.53 | 1.06 | .947 |
3 | 3.500 | 3.068 | .216 | 7.58 | 2.23 | 3.02 | 1.72 | 1.16 |
3 1/2 | 4.000 | 3.548 | .226 | 9.11 | 2.68 | 4.79 | 2.39 | 1.34 |
4 | 4.500 | 4.026 | .237 | 10.79 | 3.17 | 7.23 | 3.21 | 1.51 |
5 | 5.563 | 5.047 | .258 | 14.62 | 4.30 | 15.2 | 5.45 | 1.88 |
6 | 6.625 | 6.065 | .280 | 18.97 | 5.58 | 28.1 | 8.50 | 2.25 |
8 | 8.625 | 7.981 | .322 | 28.55 | 8.40 | 72.5 | 16.8 | 2.94 |
10 | 10.750 | 10.020 | .365 | 40.48 | 11.9 | 161 | 29.9 | 3.67 |
12 | 12.750 | 12.000 | .375 | 49.56 | 14.6 | 279 | 43.8 | 4.38 |
1/2 | .840 | .546 | .147 | 1.09 | .320 | .020 | .048 | .250 |
3/4 | 1.050 | .742 | .154 | 1.47 | .433 | .045 | .085 | .321 |
1 | 1.315 | .957 | .179 | 2.17 | .639 | .106 | .161 | .407 |
1 1/4 | 1.660 | 1.278 | .191 | 3.00 | .881 | .242 | .291 | .524 |
1 1/2 | 1.900 | 1.500 | .200 | 3.63 | 1.07 | .391 | .412 | .605 |
2 | 2.375 | 1.939 | .218 | 5.02 | 1.48 | .868 | .731 | .766 |
3 | 3.500 | 2.900 | .300 | 10.25 | 3.02 | 3.89 | 2.23 | 1.14 |
3 1/2 | 4.000 | 3.364 | .318 | 12.50 | 3.68 | 6.28 | 3.14 | 1.31 |
4 | 4.500 | 3.826 | .337 | 14.98 | 4.41 | 9.61 | 4.27 | 1.48 |
5 | 5.563 | 4.813 | .375 | 20.78 | 6.11 | 20.7 | 7.43 | 1.84 |
6 | 6.625 | 5.761 | .432 | 28.57 | 8.40 | 40.5 | 12.2 | 2.19 |
8 | 8.625 | 7.625 | .500 | 43.39 | 12.8 | 106 | 24.5 | 2.88 |
10 | 10.750 | 9.750 | .500 | 54.74 | 16.1 | 212 | 39.4 | 3.63 |
12 | 12.750 | 11.750 | .500 | 65.42 | 19.2 | 362 | 56.7 | 4.33 |
2 | 2.375 | 1.503 | .436 | 9.03 | 2.66 | 1.31 | 1.10 | .703 |
2 1/2 | 2.875 | 1.771 | .552 | 13.69 | 4.03 | 2.87 | 2.00 | .844 |
3 | 3.500 | 2.300 | .600 | 18.58 | 5.47 | 5.99 | 3.42 | 1.05 |
4 | 4.500 | 3.152 | .674 | 27.54 | 8.10 | 15.3 | 6.79 | 1.37 |
5 | 5.563 | 4.063 | .750 | 38.55 | 11.3 | 33.6 | 12.1 | 1.72 |
6 | 6.625 | 4.897 | .864 | 53.16 | 15.6 | 66.3 | 20.0 | 2.06 |
8 | 8.625 | 6.875 | .875 | 72.42 | 21.3 | 162 | 37.6 | 2.76 |
所列截面符合ASTM規范A53B級或A501。其他截面均按這些規范制作。