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ASTM A717/A717M-12(2018)

Historical Reaffirmation

Standard Test Method for Surface Insulation Resistivity of Single-Strip Specimens

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1.1 This test method covers a means of testing the surface insulation resistivity of single strips or punchings of flat-rolled electrical steel under predetermined conditions of voltage, pressure, and temperature.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.


5.1 This test method is particularly suitable for quality control in the application of insulating coatings.

5.2 Surface insulation resistivity is evaluated from a dc current that can range from 0 (perfect insulator) to 1 A (perfect conductor).

5.3 Single readings should not be considered significant since the nature of the test device and specimen are such that successive measurements of a specimen often yield different values.

SDO ASTM: ASTM International
Document Number A717
Publication Date May 1, 2018
Language en - English
Page Count 4
Revision Level 12(2018)
Supercedes
Committee A06.01
Publish Date Document Id Type View
May 1, 2012 A0717_A0717M-12 Revision
May 1, 2006 A0717_A0717M-06 Revision
May 10, 2001 A0717_A0717M-95 Revision
May 10, 2001 A0717_A0717M-01 Revision
Oct. 1, 2022 A0717_A0717M-12R22 Reaffirmation
May 1, 2018 A0717_A0717M-12R18 Reaffirmation