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1.1 This test method covers the determination of the presence of surface flaws in tungsten-seal rod and wire of random or cut lengths, and in the tungsten section of multiple-piece-through leads used in electronic devices, by means of examination of a glass bead sealed to the tungsten.
Author | ASTM |
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Editor | ASTM |
Document type | Standard |
Format | File |
Confirmation date | 2018-03-01 |
ICS | 21.140 : Seals, glands
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Number of pages | 2 |
Replace | ASTM F204-76(2013) |
Set | ASTMVOL1004 |
Year | 1970 |
Document history | ASTM F204-76(2013) |
Country | USA |
Keyword | ASTM 204;ASTM F204;ASTM F204;10.1520/F0204-76R18 |