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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 SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to customary (cgs-emu and inch-pound) units which are provided for information only and are not considered standard.

 

Document History

  1. ASTM A677-16

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    Standard Specification for Nonoriented Electrical Steel Fully Processed Types

    • Most Recent
  2. ASTM A677-12


    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