Specialist for premium permanent magnets materials
Specialist for premium permanent magnets materials
Specialist for premium permanent magnets materials
50x15x10 MM Alnico 5 Block Magnet
50x15x10 MM Alnico 5 Block Magnet

Technical specification:

Shape: Rectangle

Length: 50 mm

Width: 15 mm

Height: 10 mm

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

Magnetism direction: Magnetized through height Or Customized

Material: Alnico (aluminum-nickel-cobalt)

Grade: Alnico 5 (LNG37), anisotropic type

Magnetic Characteristics: Br: 1,200mT, Hcb: 48kA/m, BH: 37KJ/m³


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 (µ ohm.cm)47-54
Hardness (Hv)520-630
Density (g/cm3)6.90-7.30
Relative Recoil Permeability (µrec)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