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ASTM B63-07(2013)

Historical Reaffirmation

Standard Test Method for Resistivity of Metallically Conducting Resistance and<brk/> Contact Materials

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1.1 This test method covers the determination, to a precision of 2 %, of the electrical resistivity of materials used in resistors, heating elements, and electrical contacts, as well as products of powder metallurgy processes which are used for other purposes.

Note 1For determining the resistivity of electrical conductors, see Test Method B193.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.


4.1 In the case of materials for resistors and heating elements, a knowledge of resistivity is important in determining whether wire or strip of a specified area of cross section and length will have a required resistance. It serves as one basis for the selection of materials for specific applications and its measurement is a necessary acceptance test for resistance materials.

4.2 In the case of materials for electrical contacts, the measurement of resistivity can serve as a test for uniformity of materials of nominally the same composition and structure.

SDO ASTM: ASTM International
Document Number B63
Publication Date May 1, 2013
Language en - English
Page Count 4
Revision Level 07(2013)
Supercedes
Committee B02.10
Publish Date Document Id Type View
May 1, 2007 B0063-07 Revision
Jan. 1, 2001 B0063-90R95E01 Revision
Nov. 1, 2018 B0063-07R18 Reaffirmation
May 1, 2013 B0063-07R13 Reaffirmation
Jan. 1, 2001 B0063-90R01 Reaffirmation