Magcraft Magnets . MFM 0.1875” CUBE RARE EARTH MAGNET (50)

Rare-Earth Cube Magnets, 0.1875 in. Long x 0.1875 in. Wide x 0.1875 in. Thick, 50-Count
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SPECIFICATIONSThese cube magnets are 0.188"(4.8mm) Long x 0.188"(4.8mm) Wide x 0.188"(4.8mm) Thick. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 3.3 lbs. Maximum working temperature is 176 F (80 C). Part Number NSN0571 Imperial Dimensions 0.1875 inch long x 0.1875 inch wide x 0.1875 inch thick Metric Dimensions 4.7625mm long x 4.7625mm wide x 4.7625mm thick Material Sintered Neodymium-Iron-Boron (NdFeB) Shape Cube Plating Ni-Cu-Ni (Nickel) Magnetization Direction Thickness Grade N40 Pull Force (lbs[g]) 3.38[1533] Surface Field(G) 4669 Maximum Operating Temperature 80 Deg C (176 Deg F) Dimensional Tolerance +/-0.005" Magnet Quantity 50 Volume (cm3) 0.11 Weight (g) 0.81 Brand Magcraft Packaging Magpak Tube UPC 897970000716 Remanent Flux Density Br (kG [T]) 12.5-12.8 [1.25-1.28] Coercivity HcB (kOe [kA/m]) >=11.3 [>=923] Intrinsic Coercivity HcJ (kOe [kA/m]) >=12.0 [>=995] Maximum Energy Product Bhmax (MGOe [kJ/m3]) 38-41 [302-326] Density p(g/cm3) >=7.45 Compression Strength (Mpa) 600-1200 Bending Strength (Mpa) 150-380 Vickers Hardness (HV) 460-660 Recoil Permeability (urec) 1.05 Electrical Resistance (Ohm*mm2/m) 1.25-1.55 Curie Temperature Tc (°C) 310 Thermal Expansion Coefficient 100°C//(x10^-6/K) 6 Thermal Expansion Coefficient 100°C?(x10^-6/K) -1
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