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ASTM A840M-91(1996)e1

Current Revision

Standard Specification for Fully Processed Magnetic Lamination Steel (Metric) (Withdrawn 2000)

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1.1 This specification covers cold-rolled carbon steel coils or strip used in the fully processed condition in magnetic lamination applications.

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 further heat treatment by the purchaser is not necessary for most uses.

1.3 Fully processed magnetic lamination steels are flat-rolled low carbon iron alloys having 1% maximum silicon and 0.4% maximum aluminum.

Note-This specification is the companion to inch-pound Specification A840.

SDO ASTM: ASTM International
Document Number A840
Publication Date Jan. 1, 1996
Language en - English
Page Count 3
Revision Level 91(1996)e1
Supercedes
Committee A06.02
Publish Date Document Id Type View
Jan. 1, 1996 A0840M-91R96E01 Revision