鋼管和異形結(jié)構(gòu)管的尺寸與特性
鋼管
鋼管（未填充）的尺寸與特性各表中列出了標(biāo)準(zhǔn)管、厚壁管和特厚壁管的尺寸選用范圍。關(guān)于完整的制造尺寸范圍，請(qǐng)參閱制造廠樣本。
異形結(jié)構(gòu)管材
方形和短形結(jié)構(gòu)管材（未填充）的尺寸與特性各表中列出了常用規(guī)格的選擇范圍。其他規(guī)格的尺寸與特性，請(qǐng)參閱制造廠樣本。
這些尺寸與特性表是根據(jù)外圓角半徑等于規(guī)定壁厚的兩倍計(jì)算的。材料規(guī)范規(guī)定。外圓角半徑變化范圍可達(dá)到規(guī)定壁厚的三倍。這外變化范圍在那些緊配合很重要的細(xì)節(jié)中應(yīng)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(chēng)直徑ln. |
外徑ln. |
內(nèi)徑ln. |
壁厚ln. |
A ln.2 |
I ln.4 |
S ln.3 |
r ln. |
|
標(biāo) 準(zhǔn) 管 |
|
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(guī)范A53B
級(jí)或A501。其他截面均按這些規(guī)
范制作。其可供應(yīng)范圍，請(qǐng)?jiān)儐?wèn)制管廠或批發(fā)商。
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