dn50鋼管等于幾寸∣dn50鋼管公稱外徑∣國標(biāo)壁厚5mm16mn無縫鋼管規(guī)格表
公稱口徑 |
外徑 |
壁厚 |
鍍鋅管壁黑鐵管
增加的重量系數(shù) | |
MM |
MM |
MM |
普通鋼管 |
加厚鋼管 |
6 |
10.0 |
2 |
1.064 |
1.059 |
8 |
13.5 |
2.75 |
1.056 |
1.046 |
10 |
17.0 |
3.50 |
1.056 |
1.046 |
15 |
21.3 |
3.15 |
1.047 |
1.039 |
20 |
26.8 |
3.40 |
1.046 |
1.039 |
25 |
33.5 |
4.25 |
1.039 |
1.032 |
32 |
42.3 |
5.15 |
1.039 |
1.032 |
40 |
48.0 |
4.00 |
1.036 |
1.030 |
50 |
60.0 |
5.00 |
1.036 |
1.028 |
國標(biāo)壁厚5mm16Mn無縫鋼管規(guī)格表
95*5.5 |
Q345B |
159*12 |
Q345 |
325*12 |
Q345B |
95*8 | Q345B | 168*6 | Q345 | 325*14 | Q345B |
102*5.5 | Q345B | 168*7 | Q345 | 325*16 | Q345B |
102*6 | Q345B | 168*8 | Q345 | 351*9 | Q345B |
102*7 | Q345B | 168*8 | Q345B | 351*10 | Q345B |
102*14 | 16Mn | 168*10 | Q345B | 351*14 | Q345 |
102*16 | 16Mn | 168*12 | Q345B | 351*14 | Q345 |
108*4 | 16Mn | 180*6 | Q345B | 351*16 | Q345B |
108*5 | 16Mn | 180*8 | Q345 | 356*8 | Q345 |
108*7 | 16Mn | 180*8 | Q345B | 377*14 | Q345B |
108*8 | 16Mn | 180*10 | Q345B | 402*9 | Q345B |
108*13 | 16Mn | 180*12 | Q345B | 402*10 | Q345B |
114*4 | 16Mn | 180*16 | Q345B | 402*12 | Q345B |
114*5 | Q345B | 194*6 | Q345 | 402*14 | Q345B |
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