The code specifies the contents related to technical requirements of hydrogenerator rotating plate forgings, inspection rules, test method, certificate of quality and mark.
This standard is applicable to ordering, manufacturing and inspection of hydrogenerator rotating plate forgings.
1. Scope
2. Normative references
3. Order Contents
4. Technical Requirements
4.1 Manufacturing Process
4.2 Chemical Composition
4.3 Hardness
4.4 Nondestructive Testing
5. Inspection Rules and Test Method
5.1 Chemical Composition Analysis
5.2 Hardness
5.3 Supersonic Flaw Detecting
6 Acceptances and Quality Certificate
7 Mark and Package
