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Equipment for oil production
Tubes for manufacture of casings
Tubes for manufacture of casings of submersible electric pumps and submersible electric motors used in oil industry |
| Conventional Size | Nominal inner diameter, mm | Thickness of wall, mm | Inner diameter tolerance mm | Weight of one tube meter, kg |
|---|---|---|---|---|
| 92 õ 6 | 80,0 | 6,0 | 0,12 | 12,72 |
| 103 õ 5,5 | 92,0 | 5,5 | 0,12 | 13,22 |
| 103 õ 6,5 | 90,0 | 6,5 | 0,12 | 15,47 |
| 117 õ 6,0 | 105,0 | 6,0 | 0,12 | 16,42 |
| 130 õ 6,0 | 118,0 | 6,0 | 0,12 | 18,35 |
The tubes for casings of SEP and SEM are produced per ÒÓ 14-3-1754-90.
- Special features:
- Steel grade 22 ÃÞ;
- Tubes not heat treated, with the mechanical properties:SB=52 kg/mm, ST>40 kg/mm,d=8%;
- Length of tube up to 8 m;
- Tubes for casings of SEP and SEM, electrical welded and cold formed, are of high accuracy.
On customer order tubes for casings of SEP and SEM can be supplied in various lengths.


Tubes for manufacture of casings of submersible electric pumps and submersible electric motors used in oil industry