ASTM-A801 › Standard Specification for Wrought Iron-Cobalt High Magnetic Saturation Alloys (UNS R30005 and K92650)
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Scope
1.1 This specification covers two iron-cobalt alloy types currently manufactured and supplied commercially for use in magnetic cores requiring high permeability at and above 15 kG (1.5 T) under d-c and certain a-c conditions. The specific alloy types covered are:
Alloy Type Nominal Composition 1 49 % Co, 49 % Fe, 2 % V 2 27 % Co, 0.50 % Cr, balance FeThis specification also covers materials supplied by a pro ducer or converter in the form and physical condition suitable for fabrication into parts that will later be given final heat treatment to achieve the desired magnetic characteristics and where required, mechanical properties. It covers material supplied in form of forging billets, hot-rolled products, cold-finished bars, and strip. 1.2 The values stated in either customary units (cgs-emu and inch-pound) or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents: therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
Keywords
Electrical conductors; Iron cobalt alloys; Magnetic alloys; Magnetic properties; Permeability; Specifications-magnetic materials/applications; iron-cobalt high magnetic saturation alloys (for use in magnetic cores); ICS Number Code 77.080.10 (Irons)
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Document Number
ASTM-A0801-21
Revision Level
2021 EDITION
Status
Current
Modification Type
Revision
Publication Date
Feb. 23, 2021
Document Type
Specification
Page Count
6 pages
Committee Number
A06.02