Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire
NORM herausgegeben am 1.2.2025
Bezeichnung normen: ASTM F204-76(2025)
Ausgabedatum normen: 1.2.2025
Zahl der Seiten: 2
Gewicht ca.: 6 g (0.01 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
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)