ASTM F288 PDF
ASTM F288 PDF
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ASTM F288 PDF

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Standard Specification for Tungsten Wire for Electron Devices and Lamps

Published byPublication DateNumber of Pages
ASTM04/01/20195

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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