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ASTM A840/A840M-00
Standard Specification for Fully Processed Magnetic Lamination Steel
STANDARD published on 10.10.2000
The information about the standard:
Designation standards: ASTM A840/A840M-00
Note: WITHDRAWN
Publication date standards: 10.10.2000
SKU: NS-4465
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM A840/A840M-00 :
Keywords:
carbon steel sheet, cold-rolled lamination steel, cold-rolled magnetic lamination steel, fully processed, lamination steel, magnetic lamination steel, ICS Number Code 77.140.50 (Flat steel products and semi-products)
Additional information
| 1. Scope |
|
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 customary (cgs-emu and inch-pound) units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard. |
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