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GB/T 31309-2020
GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys
Abstract
This standard specifies the calculation principles, steps, methods, and application of the electron vacancy number of cast high-temperature alloys. This standard is applicable to the calculation of the electron vacancy number of cast high-temperature alloy master alloys and castings.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 31309-2020 |
| CCS | Metallographic examination methods |
| ICS | Other testing methods for metal materials |
| Implement Date | 2020-12-01 |
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