Dakota del Norte. | 
El D.E. | 
SCH 10 | 
SCH 30/40 | ||||||||

W.T. | 
Un peso normal | 
W.T. | 
Un peso normal | ||||||||

(Mm) | 
(Pulg.) | 
(Mm) | 
(Pulg.) | 
(Mm) | 
(Pulg.) | 
(Kg/m) | 
(Lb/ft) | 
(Mm) | 
(Pulg.) | 
(Kg/m) | 
(Lb/ft) |

15 | 
1/2''. | 
21.30 | 
0.840 | 
---- | 
---- | 
---- | 
---- | 
2.77 | 
0.109 | 
1.27 | 
0.85 |

20 | 
3/4''. | 
26.70 | 
1.050 | 
2.11. | 
0,083 | 
1.28 | 
0.96 | 
2.87 | 
0.113 | 
1.69 | 
1.13 |

25 | 
1''. | 
33.40 | 
1.315 | 
2.77 | 
0.109 | 
2.09 | 
1.41 | 
3.38 | 
0,133 | 
2.50 | 
1.68 |

32 | 
1.1/4''. | 
42.20 | 
1.660 | 
2.77 | 
0.109 | 
2.69 | 
1.81 | 
3.56 | 
0,140 | 
3.39 | 
2.27 |

40 | 
1.1/2''. | 
48.30 | 
1.900 | 
2.77 | 
0.109 | 
3.11. | 
2.09 | 
3.68 | 
0,145 | 
4.05 | 
2.72 |

50 | 
2''. | 
60.30 | 
2.375 | 
2.77 | 
0.109 | 
3.93 | 
2.64 | 
3.91 | 
0.154 | 
5.45 | 
3.66 |

65 | 
2.1/2''. | 
73.00 | 
2,875 | 
3.05 | 
0.120 | 
5.26 | 
3.53 | 
5.16 | 
0.203 | 
8.64 | 
5.80 |

80 | 
3''. | 
88.90 | 
3.500 | 
3.05 | 
0.120 | 
6.46 | 
4.34 | 
5.49 | 
0.216 | 
11.29 | 
7.58 |

90 | 
3.1/2''. | 
101.60 | 
4000 | 
3.05 | 
0.120 | 
7.41 | 
4,98 | 
5.74 | 
0.226 | 
13.58 | 
9.12 |

100 | 
4''. | 
114.30 | 
4.500 | 
3.05 | 
0.120 | 
8.37 | 
5.62 | 
6.02 | 
0,237 | 
16,09 | 
10.80 |

125 | 
5''. | 
141.30 | 
5.563 | 
3.40 | 
0,134 | 
11.58 | 
7.78 | 
6.55 | 
0.258 | 
21,79 | 
14.63 |

150 | 
6''. | 
168.30 | 
6.625 | 
3.40 | 
0,134 | 
13.85 | 
9.30 | 
7.11. | 
0.280 | 
28.29 | 
18.99 |

200 | 
8''. | 
219.10 | 
8,625 | 
4.78 | 
0,188 | 
25.26 | 
16,96 | 
7.04 | 
0.277 | 
36.82 | 
24.72 |

250 | 
10''. | 
273.10 | 
10.750 | 
4.78 | 
0,188 | 
31.62 | 
21,23 | 
7.08 | 
0.307 | 
51.05 | 
34.27 |