D22XD6X10 N42 Neodymium ring magnet

Outer diameter: 22mm +0.1/- 0.1 mm
Internal diameter: 6mm +0.1/- 0.1 mm
Height: 10mm +0.1/- 0.1 mm
Magnetisation: N42
Magnetisation direction: 10mm per height
Coating: Nickel-plated (Ni-Cu-Ni)
Weight: 26.38g
Tow: 12kg

Magnetic material properties N42: remanence Br 1.29-1.32 [T] Coercivity HCB min. 899 [kA / m], Coercivity HcJ min. 955 [kA / m], energy product (BH) max 318-334 [kJ/m3].
Physical properties: density ~ 7.5 [g/cm3], Vickers (HV) ~ 600 [kg/mm2], resistivity ~ 144 [uOhm x].
Maximum operating temperature is 80 ° [C].
Curie temperature is ~ 310 ° [C]. Temperature coefficient of remanence TK (br): approximately -0.12% / ° [C]. Temperature coefficient of coercivity TK (HcJ): approximately -0.6% / ° [C].
Magnetic flux: ~ 35.359 x 10-3 [mWb], K (Helmholtz coil constant) = 1.14 × 10-4 [m]
Magnetic moment: ~ 35.359 x 10-3 [mWb] × 1.14 × 10-4 [m] ~ = 4030.926 x 10-6 [mWb] × [m]
Magnetic flux density at 0.7 [mm] thickness is ~ 0.424 [T]
Force: ~ 12 [kg].