ASTM-A664 2022

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A664-15(2022) Standard Practice for Identification of Standard Electrical Steel Grades in ASTM Specifications

Published By	Publication Date	Number of Pages
ASTM	2022

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Categories: 77.080.20 - Steels, ASTM

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Description

ASTM A664-15-Reapproved2022

Active Standard: Standard Practice for Identification of Standard Electrical Steel Grades in ASTM Specifications

ASTM A664

Scope

1.1 This practice covers the procedure for designating (within ASTM specifications) standard grades of flat-rolled electrical steels made to specified maximum values of specific core loss. This practice applies to magnetically soft irons and steel (low-carbon steels and alloys of iron with silicon, aluminum, and other alloying elements) where a core loss measurement at a stated peak value of alternating induction and a stated frequency, such as 1.5 T (15 kG) and 60 Hz, is normally used to grade the material. This practice also applies when some other property is specified (or a different induction or frequency, or both) as the limiting characteristic, provided the material also meets all the requirements of the ASTM specification.

1.2 Individual specifications that are in conformity with this practice are Specifications A677, A683, A726, A876, and A1086.

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.

Keywords

core loss; electrical steel; fully processed; grain-oriented electrical steel; identification; laser scribed; magnetic lamination steel; nonoriented electrical steel; semiprocessed; thin-gauge electrical steel;

ICS Code

ICS Number Code 77.080.20 (Steels)

DOI: 10.1520/A0664-15R22

Additional information

Standard Title	A664-15(2022) Standard Practice for Identification of Standard Electrical Steel Grades in ASTM Specifications
Published Code	ASTM
Publication Date	2022
ICS Codes	77.080.20 - Steels