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ASTM B 639 : 2025 Standard Specification for Precipitation Hardening Cobalt-Containing Alloys Rod, Bar, Forgings, and Forging Stock for High-Temperature Service
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| Committee | B 02 |
| DocumentType | Standard |
| Pages | 4 |
| PublisherName | American Society for Testing and Materials |
| Status | Current |
| Supersedes | ASTM B 639 : 2002 : R2018 |