无缝管壁厚国家标准

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无缝管壁厚国家标准:

   
偏差等级 标准化外径允许偏差
D1 ±1.5%,最小±0.75 mm
D2 ±1.0%。最小±0.50 mm
D3 ±0.75%.最小±0.30 mm
D4 ±0.50%。最小±0.10 mm

厚壁无缝管理论重量  

单位:Kg/m 壁 厚
外 径 6.5 7 8 8.5 9 10 12
32 4.088            
38 5.049            
42 5.691            
45 6.172            
50 6.973 7.423 8.286 8.699      
54 7.614 8.114 9.075 9.538      
57 8.095 8.632 9.667 10.167      
60 8.576 9.149 10.259 10.796      
63.5 9.137 9.754 10.950 11.529      
68 9.858 10.530 11.838 12.473      
70 10.179 10.876 12.232 12.892 13.539 14.797 17.164
73 10.660 11.394 12.824 13.521 14.205 15.537 18.052
76 11.141 11.912 13.416 14.150 14.871 16.277 18.940
89 13.225 14.156 15.981 16.875 17.756 19.483 22.787
108 16.270 17.436 19.729 20.858 21.973 24.168 28.410
133 20.278 21.751 24.662 26.098 27.522 30.334 35.809
159 24.446 26.240 29.791 31.548 33.293 36.746 43.503
219 34.064 36.598 41.629 44.126 46.610 51.543 61.259
273 42.720 45.920 52.283 55.445 58.596 64.860 77.240
325 51.056 54.897 62.542 66.346 70.137 77.684 92.629
355 55.865 60.076 68.460 72.634 76.796 85.082 101.507
377 59.391 63.873 72.801 77.246 81.679 90.508 108.018
426 67.246 72.332 82.468 87.518 92.555 102.592 122.519
450 71.093 76.475 87.203 92.549 97.882 108.511 129.621
480 75.902 81.654 93.122 98.837 104.540 115.909 138.499
530 83.917 90.286 102.987 109.319 115.638 128.240 153.296
630 99.947 107.549 122.716 130.281 137.833 152.902 182.890