Seamless, stainless steel thick wall precision tubes available with ground, polished, bright annealed or pickled surface. The Alleima portfolio of thick wall precision tubes covers a wide range of materials, such as:
- Austenitic stainless steels
- Duplex stainless steels
- Nickel alloys
Size range
Our thick wall precision tubes are available in the following size range (other sizes can be offered on request):
| Outside diameter | 0.787-130 mm (0.031-5 in.) |
|---|---|
| Wall thickness | 0.254-19.05 mm (0.010-0.750 in.) |
Tolerances
Thick wall precision tubes from Alleima are delivered with the following tolerances (tighter tolerances can be offered on request):
| Outside diameter | +/- 0.05 mm (0.002 in.) |
|---|---|
| Inside diameter | +/- 0.05 mm (0.002 in.) |
| Wall thickness | +/-7.5% |
Surface finish
Thick wall precision tubes from Alleima are available with ground, polished, bright annealed or pickled surface.
| Outside surface roughness | Ra 20 defect level max. 50 μm |
|---|---|
| Inside surface roughness | Ra 20 defect level max. 20 μm |
Lengths
Our thick wall precision tubes are delivered as follows:
- Random lengths of 5.2-7.3 m (17-24 ft)
- Cut lengths of 1.5-9.1 m (5-30 ft)
- Coils (on request)
Testing
We can provide the following types of testing for thick wall precision tubes:
- Flaring test
- Flattening test
- Mechanical test
- Microstructure test
- Eddy Current and ultrasonic tests (on request)