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
