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Scope

1.1 This specification covers commonly used wrought nickel-iron soft magnetic alloys produced or supplied expressly for use in magnetic cores and other parts requiring high magnetic permeability, high electrical resistivity, low coercive force, and low core loss.

1.2 This specification covers materials supplied by a producer or converter to the form and physical condition desired for fabrication into parts that will later be given final heat treatment to achieve the desired magnetic characteristics. It covers materials supplied in the form of forging billets, hot-rolled plate, strip, and bar; cold-finished bar; cold-rolled and annealed sheet and strip; shaped wire; and wire.

1.2.1 This specification doesn't not cover either powder metallurgically produced or cast parts.

1.2.2 This specification lists requirements for strip products having isotropic or semi-isotropic magnetic properties but does not include requirements for anisotropic or square hysteresis loop alloys or alloys processed to yield flattened hysteresis loops by use of heat treatments in an applied magnetic field.

1.2.3 This specification does not cover alloys modified by the addition of elements such as sulfur and selenium to enhance machinability.

1.3 The values stated in either customary (cgs-emu and inch-pound) units 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 this specification.

Keywords

Fresnel reflector rack exposure method; Magnetic alloys-soft; Nickel-iron alloy; Specifications-magnetic materials/applications; nickel-iron soft magnetic alloys, spec.,; Specifications-electrical materials/applications; cast tool steel, spec

To find similar documents by ASTM Volume:

03.04 (Magnetic Properties)

To find similar documents by classification:

77.120.40 (Nickel, chromium and their alloys)

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