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ASTM F204-76(2018)

Current Reaffirmation

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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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.


SDO ASTM: ASTM International
Document Number F204
Publication Date March 1, 2018
Language en - English
Page Count 2
Revision Level 76(2018)
Supercedes
Committee B10.04
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