ASTM F288 PDF
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Standard Specification for Tungsten Wire for Electron Devices and Lamps
Published by | Publication Date | Number of Pages |
ASTM | 04/01/2019 | 5 |
ASTM F288 – Standard Specification forTungsten Wire for Electron Devices and Lamps
1.1 This specification covers three types of drawn wire suitable for fabrication into parts for electron tubes, lamps, and other devices; and one type of rod for metal-to-glass sealing (grid wire is excepted):
1.1.1 Type 1A-Commercially pure nonsag wire (Note 2 and Note 3).
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