NdFeB magnets

TABLE OF MAGNETIC PROPERTIES SINTERED NdFeB magnets

Magnetic
Properties
Remanence (Residual Flux Density) Br Coercitive  Force Hcb Intrinsic Coercitive
Force Hcj
Max Energy Products
(BH) max
Curie

Temperature

Grade kGs T kOe kA/m kOe kA/m MG.Oe kJ/m3 °C
1 10.8~11.2 1.08~1.12 9.8~10.5 780~836 ≥12 ≥955 28~30 223~239
2 11.4~11.7 1.14~1.17 10.3~11.0 820~876 ≥12 ≥955 31~33 247~263
3 11.7~12.1 1.17~1.21 10.8~11.5 760~915 ≥12 ≥955 33~35 263~279
4 12.2~12.6 1.22~1.26 10.8~11.5 860~915 ≥12 ≥955 36~38 287~303
5 12.6~12.9 1.26~1.29 10.5~11.0 836~876 ≥12 ≥955 38~40 303~318
6 13.0~13.3 1.30~1.33 10.5~11.0 836~876 ≥12 ≥955 41~43 326~342
7 13.4~13.7 1.34~1.37 10.5~11.0 836~876 ≥12 ≥955 43~45 342~355
8 10.8~11.2 1.08~1.12 9.8~10.5 780~836 ≥14 ≥1114 28~30 233~239
9 11.4~11.7 1.14~1.17 10.3~11.0 820~876 ≥14 ≥1114 31~33 239~263
10 11.7~12.1 1.17~1.21 10.8~11.5 860~915 ≥14 ≥1114 33~35 263~279
11 12.2~12.6 1.22~1.26 10.8~11.5 860~915 ≥14 ≥1114 36~38 287~303
12 12.6~12.9 1.26~1.29 10.8~11.5 860~915 ≥14 ≥1114 38~40 303~318
13 10.2~10.6 1.02~1.06 9.3~10.0 740~796 ≥17 ≥1353 25~27 199~215
14 10.8~11.2 1.08~1.12 9.8~10.5 780~836 ≥17 ≥1353 28~30 223~239
15 11.4~11.7 1.14~1.17 10.3~11.0 820~876 ≥17 ≥1353 31~33 247~263
16 11.7~12.1 1.17~1.21 10.8~11.5 860~915 ≥17 ≥1353 33~35 263~279
17 12.2~12.6 1.22~1.26 11.5~12.0 915~955 ≥17 ≥1353 36~38 287~303
18 12.6~12.9 1.26~1.29 11.5~12.0 915~955 ≥17 ≥1353 38~40 303~318
19 10.2~10.6 1.02~1.06 9.3~10.0 740~796 ≥20 ≥1595 25~27 199~215
20 10.8~11.2 1.08~1.12 9.8~10.5 780~836 ≥20 ≥1595 28~30 223~239
21 11.4~11.7 1.14~1.17 10.3~11.0 740~876 ≥20 ≥1595 31~33 247~263
22 11.7~12.1 1.17~1.21 10.8~11.5 860~915 ≥20 ≥1595 33~35 263~279
23 12.2~12.6 1.22~1.26 11.0~13.0 875~1035 ≥20 ≥1580 36~38 287~303
24 9.8~10.2 0.98~1.02 9.2~9.6 732~764 ≥25 ≥1990 23~25 183~199
25 10.4~10.8 1.04~1.08 9.8~10.2 780~812 ≥25 ≥1990 26~28 207~223
26 10.8~11.2 1.08~1.12 10.1~10.6 804~844 ≥25 ≥1990 28~30 223~239
27 11.4~11.7 1.14~1.17 10.3~11.0 740~876 ≥25 ≥1990 31~33 247~263
28 11.7~12.1 1.17~1.21 10.8~11.4 860~907 ≥25 ≥1989 33~35 263~279
29 10.2~10.6 1.02~1.06 9.3~10.0 740~796 ≥27 ≥2130 25~27 199~215
30 10.8~11.2 1.08~1.12 10.1~10.6 804~844 ≥27 ≥2130 28~30 223~239
31 11.2~11.5 1.12~1.15 10.3~11.0 740~876 ≥27 ≥2130 30~32 239~255

DIMENSIONS

DIMENSIONS Ring  image007
A B C
Maximium 100.00mm 95.00mm 50.00mm
Minimum 3.80mm 1.20mm 0.50mm
Tolerance +/-0.1mm +/-0.1mm +/-0.1mm

 

DIMENSIONS Disk  image008
A B
Maximium 100.00mm 50.00mm
Minimum 1.20mm 0.50mm
Tolerance +/-0.1mm +/-0.1mm

 

DIMENSIONS Block  image009
A B C
Maximium 100.00mm 95.00mm 50.00mm
Minimum 3.80mm 1.20mm 0.50mm
Tolerance +/-0.1mm +/-0.1mm +/-0.1mm