ASTM A904-14
- Standard Specification for 50 Nickel-50 Iron Powder Metallurgy Soft Magnetic Parts
- standard by ASTM International, 05/01/2014
- Publisher: ASTM
$20.00$39.00
1.1 This specification covers the magnetic properties of 50 nickel-50 iron parts fabricated by powder metallurgy techniques and is intended for parts that require high magnetic permeability, high electrical resistivity, low coercive field strength, and low hysteresis loss. It differs from the wrought alloy specification (see Specification A753) because these parts are porous. A number of magnetic properties such as permeability are proportional to the sintered density.
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