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ASTM A677/A677M-99

Current Revision

Standard Specification for Nonoriented Electrical Steel Fully Processed Types

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1.1 This specification covers the detailed requirements to which flat-rolled nonoriented fully processed electrical steel shall conform.

1.2 This steel is produced to specified maximum core-loss values and is intended primarily for commercial power frequency (50 and 60 Hz) applications in magnetic devices. Desirable core loss and permeability characteristics are developed during mill processing, so additional heat treatment by the purchaser is usually not necessary.

1.3 These nonoriented fully processed electrical steels are low-carbon, silicon-iron or silicon-aluminum-iron alloys containing up to about 3.5% silicon and a small amount of aluminum.

Note 1-A complete metric companion to Specification A677 has been developed, A677M; therefore no metric units are shown in this specification.

SDO ASTM: ASTM International
Document Number A677
Publication Date Dec. 10, 1999
Language en - English
Page Count 6
Revision Level 99
Supercedes
Committee A06.02
Publish Date Document Id Type View
Dec. 10, 1999 A0677_A0677M-99 Revision