Active standard | Published: 01/02/2025

ASTM F204-76(2025)

Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire

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Detail information

Designation: ASTM F204-76(2025)

Publication date: 01/02/2025

Pages: 2

Country: American technical standard

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Anotation

This test method establishes the apparatuses to be used, specimen preparation methods, and standard procedures for determining the presence of surface flaws in tungsten-seal rods and wires 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.

Keywords:
glass bead, glass-to-metal seals, tungsten-glass seals ,, ICS Number Code 21.140 (Seals, glands)

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