ASTM A726-18,Standard Specification For Cold-Rolled Magnetic Lamination Quality Steel, Semiprocessed Types.
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ASTM A726-18 covers cold-rolled carbon sheet steel used for magnetic applications.
Referenced Documents
A34/A34M Practice for Sampling and Procurement Testing of Magnetic Materials;
A340 Terminology of Symbols and Definitions Relating to Magnetic Testing;
A343/A343M Test Method for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method and 25-cm Epstein Test Frame;
The cold-rolled magnetic lamination steel types decribed by this specification are shown in Table 1.
Surface Insulation Characteristics
Unless otherwise specified, cold-rolled magnetic lami-nation steels are supplied with no mill-applied coating. A user-formed oxide (coating Type C-l in Classification A976) can be created at the end of the heat treating cycle and provides adequate insulation for most applications.
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