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1.1 This specification covers unalloyed and alloyed niobium ingots prepared by vacuum- or plasma-arc melting or electron-beam melting to produce consolidated metal for processing to various mill shapes.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Number of pages | 3 |
| Replace | ASTM B391-09e1 |
| Set | ASTMVOL0204 |
| Year | 2018 |
| Document history | ASTM B391-09e1 |
| Country | USA |
| Keyword | ASTM 391;ASTM B391;ASTM B391;10.1520/B0391-18 |