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Formula: Co 49/Fe 49/V 2
Form: Disk
Material: Permendur® 49
Commodity: Alloys
Temper: As Rolled
Hazard Pictogram: GHS07, GHS08
Permendur® 49 disks are composed of an iron-cobalt alloy. This alloy exhibits excellent magnetic properties such as high saturation induction and low coercivity. The range includes 16 variations in dimensions and surface finish to suit different applications. Potential uses for Permendur 49 disks include magnetic recording heads, electric motors and transformers, where their magnetic properties are advantageous. With their magnetic characteristics and availability in multiple configurations, Permendur® 49 disks provides versatile solutions for engineering challenges.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

Disk
Thickness >0.05mm ±10%
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) 6
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 40
Magnetic Properties
Element Value
Curie temperature( C ) 940
Saturation flux density( T ) 2.34
Physical Properties
Element Value
Density( gcm⁻³ ) 8.15
Thermal Properties
Element Value
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 9.5@20°C

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