ГОСТ 8731 - 74; ГОСТ 8732 - 78
Tikişsiz polad boruların istifadəsi müxtəlif sahələri əhatə edir. Boru kəmərlərinin inşası, maşın elementlərinin, mexanizmlərin, konstruksiya hissələrinin istehsalı, yol təmir-tikinti işlərinin aparılması və s.
| Diametri d,mm |
Divar qalınlığı t, mm |
Diametri d,mm |
Divar qalınlığı t, mm |
Diametri d,mm |
Divar qalınlığı t, mm |
| 32 | 3,0 | 89 | 5,0 | 159 | 7,0 |
| 33 | 3,5 | 89 | 6,0 | 159 | 8,0 |
| 38 | 3,5 | 89 | 8,0 | 159 | 10,0 |
| 42 | 3,0 | 102 | 4,0 | 168 | 6,0 |
| 42 | 3,5 | 102 | 5,0 | 168 | 8,0 |
| 42 | 4,5 | 102 | 6,0 | 219 | 6,0 |
| 45 | 4,0 | 108 | 4,0 | 219 | 7,0 |
| 48 | 3,5 | 108 | 5,0 | 219 | 8,0 |
| 48 | 4,5 | 108 | 6,0 | 219 | 10,0 |
| 51 | 2,5 | 108 | 8,0 | 219 | 12,0 |
| 57 | 3,5 | 114 | 4,0 | 273 | 7,0 |
| 57 | 4,0 | 114 | 5,0 | 273 | 8,0 |
| 57 | 5,0 | 114 | 6,0 | 273 | 10,0 |
| 57 | 6,0 | 114 | 8,0 | 273 | 12,0 |
| 60 | 3,5 | 114 | 9,0 | 325 | 8,0 |
| 60 | 4,0 | 114 | 10,0 | 325 | 10,0 |
| 60 | 5,0 | 121 | 6,0 | 325 | 12,0 |
| 60 | 6,0 | 121 | 10,0 | 377 | 9,0 |
| 70 | 8,0 | 133 | 5,0 | 377 | 10,0 |
| 76 | 3,5 | 133 | 6,0 | 377 | 11,0 |
| 76 | 4,0 | 133 | 8,0 | 377 | 12,0 |
| 76 | 5,0 | 133 | 10,6 | 426 | 9,0 |
| 76 | 6,0 | 146 | 6,0 | 426 | 10,0 |
| 76 | 8,0 | 146 | 8,0 | 426 | 11,0 |
| 89 | 3,5 | 159 | 5,0 | 426 | 12,0 |
| 89 | 4,0 | 159 | 6,0 |