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1.1 This practice covers the procedure for designating (within ASTM specifications) standard grades of flat-rolled electrical steels made to specified maximum values of specific core loss. This practice applies to magnetically soft irons and steel (low-carbon steels and alloys of iron with silicon, aluminum, and other alloying elements) where a core loss measurement at a stated peak value of alternating induction and a stated frequency, such as 1.5 T (15 kG) and 60 Hz, is normally used to grade the material. This practice also applies when some other property is specified (or a different induction or frequency, or both) as the limiting characteristic, provided the material also meets all the requirements of the ASTM specification.
Author | ASTM |
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Editor | ASTM |
Document type | Standard |
Format | File |
ICS | 77.080.20 : Steels |
Number of pages | 4 |
Replace | ASTM A664-14 + Redline |
Set | ASTMVOL0307 |
Year | 2015 |
Document history | ASTM A664-14 + Redline |
Country | USA |
Keyword | ASTM 664;ASTM A664;ASTM A664;10.1520/A0664-15 |