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About This Item

 

Full Description

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 user 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.

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.

 

Document History

  1. ASTM A677-16


    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Most Recent
  2. ASTM A677-12

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    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Historical Version
  3. ASTM A677-07


    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Historical Version
  4. ASTM A677-05e1


    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Historical Version
  5. ASTM A677-05


    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Historical Version
  6. ASTM A677/A677M-99


    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Historical Version