As steel pipes use pipes in external diameter from 25 to 1020 mm, according to ISO 3262, 10704, 10705, 20295, 8731.
The of sizes PUF pipes.
| Steel pipe/wall/cover, mm. |
| 32/90 |
| 38/110 |
| 45/110 |
| 45/125 |
| 57/3,5/125 |
| 57/3,5/140 |
| 76/3,5/140 |
| 76/3,5/160 |
| 89/4/160 |
| 89/4/180 |
| 108/4/180 |
| 108/4/200 |
| 133/5/225 |
| 133/5/250 |
| 159/5/250 |
| 159/5/280 |
| 219/6/315 |
| 219/355 |
| 273/7/400 |
| 273/7/450 |
| 325/7/450 |
| 325/7/500 |
Pipes PPU are issued by length from 6 to 12 metres, depending on wishes of the customer.
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