ASTM A976 - 18 - Standard Classification of Insulating Coatings for Electrical Steels by Composition, Relative Insulating Ability and Application

ASTM A976 - 18

Standard Classification of Insulating Coatings for Electrical Steels by Composition, Relative Insulating Ability and Application

Status : Current   Published : October 2018

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1.1 This document classifies insulating coatings for electrical steels according to their composition, relative insulating ability, and functionality. The purpose of this classification is to assist users of insulating coatings by providing general information about the chemical nature and use of the coatings, as well as to provide important data concerning limits to their use, that is, relative insulating ability, punchability, temperature stability, weldability, and fabricability. Specific surface insulation resistivity values for each coating are not included in this classification. The user is referred to the flat-rolled electrical steel specifications noted in 1.2 should more detailed information concerning surface insulation resistivity values be required.

1.2 This classification is to be used in conjunction with the various specifications for flat-rolled electrical steels under the jurisdiction of Committee A06, including Specifications A345, A677, A683, A726, A840, A876, and A1086. However, in those instances in which the coating descriptions and characteristics differ between this classification and any of the specifications, this classification shall supersede the specification.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to customary (cgs-emu and inch-pound) units which are provided for information only and are not considered standard.

1.4  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.

1.5  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.




Standard NumberASTM A976 - 18
TitleStandard Classification of Insulating Coatings for Electrical Steels by Composition, Relative Insulating Ability and Application
StatusCurrent
Publication Date01 October 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Coatings, coreplate, Franklin test, insulation, insulating coatings, interlaminar resistance, steels, surface insulation resistivity, surface test, varnishes
ICS01.040.25
PublisherASTM
FormatA4
DeliveryYes
Pages5
File Size153 KB
Price£40.00


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