• ASTM A840/A840M-00(2006)

ASTM A840/A840M-00(2006)

Standard Specification for Fully Processed Magnetic Lamination Steel (Withdrawn 2011)

ASTM International, 01/01/2006

Publisher: ASTM

File Format: PDF

$26.00$52.00


Published:01/01/2006

Pages:4

File Size:1 file , 72 KB

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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.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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