ASTM A804/A804M-04(2021) PDF

Scope: 1.1?These test methods cover the determination of specific core loss and peak permeability of single layers of sheet-type specimens tested with normal excitation at a frequency of 50 or 60 Hz. Note 1:?These test methods have been applied only at the commercial power frequencies

ASTM A804/A804M-04(2021) Referenced Document

ASTM A34/A34M Standard Practice for Sampling and Procurement Testing of Magnetic Materials
ASTM A340 Standard Terminology of Symbols and Definitions Relating to Magnetic Testing
ASTM A343/A343M Standard Test Method for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method and 25-cm Epstein Test Frame
ASTM A677 Standard Specification for Nonoriented Electrical Steel Fully Processed Types
ASTM A683 Standard Specification for Nonoriented Electrical Steel, Semiprocessed Types
ASTM A876 Standard Specification for Flat-Rolled, Grain-Oriented, Silicon-Iron, Electrical Steel, Fully Processed Types

2021 ASTM A804/A804M-04(2021) Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens
2004 ASTM A804/A804M-04(2015) Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens
2004 ASTM A804/A804M-04(2009)e1 Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens
2004 ASTM A804/A804M-04 Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens
1999 ASTM A804/A804M-99 Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens