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ASTM F204-76(2018)

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

NORMA vydaná dňa 1.3.2018

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Informácie o norme:

Označenie normy: ASTM F204-76(2018)
Dátum vydania normy: 1.3.2018
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

Anotácia textu normy ASTM F204-76(2018) :

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)