D19.05 X 6.35MM Grade Alnico8 LNG40 Disc Round Magnet

Technical specification:

Shape: Disc round

Diameter: 19.05mm (3/4 Inch)

Thickness: 6.35mm (1/4 Inch)

Default tolerance: +/-0.1mm Or customize as required

Plating: Uncoated

Magnetism direction: Axial Or Customized

Material: Alnico (aluminum-nickel-cobalt)

Grade: Alnico 8 (LNG40), anisotropic type

Magnetic Characteristics: Br: 1,250mT, Hcb: 48kA/m, BH: 40KJ/m

Production by casting or powder metallurgical techniques

An alloy composed of matrix of Al-Ni-Fe-Co

Excellent stability over a wide temperature range higher than 500°C, Temperature coefficient of Br and iHc <±0.03%

Strong corrosion resistance capability without coating for surface protection

Good resistance to demagnetization from vibration and shock

Good flux density at an reasonable cost

Very hard & brittle

Curie Temperature (°C)	860
Maximum Operating Temperature(°C)	525-550
Resistivity (u ohm.cm)	47-54
Hardness (Hv)	520-630
Density (g/cm3)	6.90-7.30
Relative Recoil Permeability (urec)	1.70-4.70
Saturation Field Strength, kOe (kA/m)	2.7-6.3 (215-500)
Temperature Coefficient of Br (%/°C)	-0.025 ~ -0.02
Temperature Coefficient of iHc (%/°C)	+0.01 ~ +0.03

Contact Us