El código | CIR. Pulg. | Diam. Mm | Resistencia a la ruptura KN | El peso/200 mtr Kg. |
21 15 31 21 15 32 21 15 33 21 15 34 21 15 35 | 3-3/4 4 4-1/4 4-1/2 4-3/4 | 30 32 34 36 38 | 175 198 222 247 274 | 102 116 131 146 163 |
21 15 36 21 15 37 21 15 38 21 15 39 21 15 40 | 5 5-1/4 5-5/8 6-1/4 6-7/8 | 40 42 45 50 55 | 302 331 378 462 553 | 181 199 229 283 342 |
21 15 41 21 15 42 21 15 43 21 15 44 21 15 45 | 7-1/2 8 8-11/16 9-1/4 9-7/8 | 60 65 70 75 80 | 653 760 875 997 1130 | 407 477 554 636 723 |
21 15 46 21 15 47 21 15 48 21 15 49 | 10-1/2 11-1/8 11-3/4 12-3/8 | 85 90 95 100 | 1260 1410 1560 1720 | 816 915 1020. 1130 |