Nominal Diameter: 2 3/8, 2 7/8, 3 1/2 inch
Outside Diameter: 60,33; 73,03; 88,90 mm
Wall Thickness: 4,24; 4,83; 5,51; 5,49; 6,45; 7,34 mm
Notes:
- Steel group: J55.
- Tubings can be delivered with the monogram (license no. 5CT-0380).
- Type of ends: UF - plain end; NU - non-upset, with thread and couplings.
- Type of thread: 10 rd (round, 10 threads per inch).
- Length of tubing: 28 - 32 ft (8.53 - 9.75 m).
- Hot-formed pipes are normally used for tubings processing.
- Threading on coupling is done by EMAG production line.
- Tubings are checked by ROTOMAT electromagnetic device before threading.
|
| Sizes |
Nominal Diameter, inch |
Outside Diameter, mm |
Wall Thickness, mm |
4,24 |
4,83 |
5,51 |
5,49 |
6,45 |
7,34 |
2 3/8 |
60,33 |
|
|
|
|
|
|
2 7/8 |
73,03 |
|
|
|
|
|
|
3 1/2 |
88,90 |
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|
|
| Mechanical properties |
|
Tensile Strength, N/mm2 (min) |
Yield Streigth, N/mm2 (min) |
Elongation, % (min) |
J55 |
517 |
379 - 552 |
- |
| Chemical Composition (%, max) |
Steel Group |
C |
Si |
Mn |
Cr |
Ni |
Mo |
S |
P |
J55 |
not normalized |
0,030 |
0,030 |
|
|
