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ASTM F269-60(2002)

Current Revision

Standard Test Method for Sag of Tungsten Wire

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1.1 This test method covers a determination of the sag properties of tungsten wire 0.030 in. (0.76 mm) and over in diameter.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This test method covers a determination of the sag properties of tungsten wire. The specimen of tungsten wire to be tested for sag shall have a clean, bright surface and should have the required length. With the aid of external heat, the test specimen shall be bent into a hairpin-shape until it reached the required distance between the ends. The formed test specimen shall be of sufficient length so that when clamped in the fixture, the exposed lengths measured from the top of the apex will be of required distance.


SDO ASTM: ASTM International
Document Number F269
Publication Date Sept. 19, 1960
Language en - English
Page Count 2
Revision Level 60(2002)
Supercedes
Committee F01.03
Publish Date Document Id Type View
Sept. 19, 1960 F0269-60R02 Revision
April 1, 2019 F0269-60R19 Reaffirmation
June 1, 2014 F0269-60R14 Reaffirmation
May 1, 2009 F0269-60R09 Reaffirmation
Sept. 19, 1960 F0269-60R96E01 Reaffirmation