Home > Products > Retaining ring > ASTM A289/A289M-97 (Reapproved 2008) retaining rings
ASTM A289/A289M-97 (Reapproved 2008) retaining rings
- 5000 Kilogram / Kilograms per Month
- Dalian Port
- T/T
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Product Details
Place of Origin: | Liaoning, China | Brand Name: | Non | Model Number: | OD 1,327 mm * ID 1,132 mm * L 840 mm 1,000 MW |
Standard: | Other, A289/A289M - 97 (Reapproved 2008) |
Product Description
Specifications
ASTM A289/A289M-97 Nonmagnetic retaining rings:1.Materials:1Mn18Cr18N;
2.Main chemical: Mn & Cr = 17.5-20.0% by weight.
1. Key component:
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.
2. Characteristics:
The retaining ring is hot assembled on the both ends of the rotors to compact the coils on the ends to prevent the coils of rotors during high speed operation from runaway damages which might cause disastrous accidents to the power stations.
3.Grades:
Unique heavy retaining ring presses are available in China and by them all the retaining rings with the specifications such as 3 MW – 1,000 MW grades are able to be manufactured.
4. ESR:
The steel shall be made by the electro-slag-remelt (ESR) process. The electrodes shall be made by either the basic electric furnace or ladla refining process.
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