Magnetisation Grade:         N48
Material: Neodymium-Iron-Boron (NdFeB), Neodymium and Steel 
Magnet ID:              NPC-48-N48-Zn
Plating / Coating: zinc, zn    
Shape: Ring / with Countersunk (Countersink)   
Pot Magnet Size: 
Pot Total Diameter (D):       48 mm
Pot Total Height (H):        11.5 mm
Borehole Top (d1):         8.5 mm
Borehole Bottom (d2):         18.12 mm
Countersunk Depth (h):        4.81 mm
Tolerance:         ±0.1 mm
Magnetisation Direction:   Axial      
Residual Magnetic Flux Density (Br): 13.7-14.1 KGs (T):  1.37-1.41 T 
Energy Density (BH)max:              45-49 MGOe   358-390 KJ/m³   
Coercivity Force (Hcb):              ≥10.5 KOe  ≥836 KA/m   
Intrinsic Coercivity Force (Hcj):    ≥11 KOe    ≥875 KA/m   
Maximum Operation Temperature: 80 °C 
Delivery Time:           14-35 days   
Measurements:

1.Licensed Products by SSMC-MQ - ISO 9002 Quality Standard Certified
2.The above-mentioned data of magnetic parameters and physical properties are given at room temperature.
3.The maximum service temperature of magnet is changeable due to the ratio length and diameter and environmental factors.
4. Special properties can be achieved with custom method.
 
Physical and Mechanical Properties
Thermal Conductivity
7.7 kcal/m-h-°C
Young's Modulus
1.7 x 104 kg/mm2
Bending Strength
24 kg/mm2
Compressive Strength
80 kg/mm2
Electrical Resistivity
160 µ-ohm-cm/cm2
Density
7.4-7.55 g/cm3
Vickers Hardness
500 - 600