We are professional ASTM A289/A289M-97 retaining rings for retaining rings for steam turbine generators factory from China
ASTM A289/A289M-97 Nonmagnetic retaining rings:
Materials:
(1)1Mn18Cr18N (2)18Mn18Cr (3)P900 (4)50Mn18Cr5
(5)50Mn18Cr4W
Process: Cold expand
Heat treatment: Solution, Stress Relief
Standard: ASTM A289 or Others
Technical requiremencts
1)Grain size: 1 or finer, as per ASTM E112
2)Cleanliness rating: 2 or less, as per ISO 4967 or ASTM E45
3)Permeability: 1.03 Max, as per ASTME A342
4)UT: Lever 2, as per ASTM A531
5)PT: As per ASTME E165
6)or other requirements
Nonmagnetic retaining ring is a critical component of heavy turbonator, one of the components bearing the highest stress, and by means of the retaining ring the centrifugal force is borne on the location of turning of the coil block on the both ends of the rotor.
| Name& Description |
Capacity |
Quantity |
| 3600Thydraulic press |
Max. single forging in 18T |
1 |
| 2000T hydraulic press |
Max. single forging in 9T |
2 |
| 800 hydraulic press |
Max. single forging in 5T |
1 |
| 6T electrical hydraulic hammer |
Max. single forging in 5T |
1 |
| 3T electrical hydraulic hammer |
Max. single forging in3T |
1 |
| Air hammer |
Max. single forging from250kg to 1000kg |
7 |
| Forging operation machine |
Max. singe forging from20T-5T |
7 |
| Heat treatment Furance |
Max. 8000*5000*1500mm |
11 |
| CNC driling machine |
Max. 5000mm |
2 |
| Vertical lathe |
From 1600 to 5000mm |
60 |
| Horizontal lathe |
Max. 5000mm |
70 |
| Band sawing machine |
260-1300mm |
36
|
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