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ASTM F204-76(2002)

Current Revision

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

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1.1 This test method covers the determination of the presence of surface flaws in tungsten-seal rod and wire 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.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This test method establishes the apparatus 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.


SDO ASTM: ASTM International
Document Number F204
Publication Date Nov. 26, 1976
Language en - English
Page Count 2
Revision Level 76(2002)
Supercedes
Committee F01.03
Publish Date Document Id Type View
Nov. 26, 1976 F0204-76R02 Revision
March 1, 2018 F0204-76R18 Reaffirmation
May 1, 2013 F0204-76R13 Reaffirmation
May 1, 2009 F0204-76R09 Reaffirmation
Nov. 26, 1976 F0204-76R96E01 Reaffirmation