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Magnetic Properties of Sintered NdFeB Magnets
 

Grade Max.
working
Temp.
Remanence Coercivity Intr. Coercivity Max. Energy Product
Br(T) Br(kGs) bHc(kA/m) bHc(kOe) iHc
(kA/m)
iHc
(kOe)
(BH)max
(KJ/m3)

(BH)max
(MGOe)
Nom Min Nom Min Nom Min Nom Min Nom Min Nom Min
N35 80 1.22 1.17 12.2 11.7 925 868 11.6 10.9 955 12 279 263 35 33
N38 80 1.26 1.22 12.6 12.2 925 900 11.6 11.3 955 12 303 279 38 35
N40 80 1.28 1.26 12.8 12.6 925 908 11.6 11.4 955 12 318 303 40 38
N42 80 1.33 1.28 13.3 12.8 925 908 11.6 11.4 955 12 334 318 42 40
N45 80 1.37 1.33 13.7 13.3 925 908 11.6 11.4 955 12 358 334 45 42
N48 80 1.40 1.37 14.0 13.7 925 908 11.6 11.4 955 12 382 358 48 45
N50 80 1.43 1.40 14.3 14.0 860 830 10.8 10.4 875 11 398 382 50 48
N52 80 1.46 1.43 14.6 14.3 860 830 10.8 10.4 875 11 414 398 52 50
N35M 100 1.22 1.17 12.2 11.7 925 871 11.6 10.9 1114 14 279 263 35 233
N38M 100 1.26 1.22 12.6 12.2 955 908 12.0 11.4 1114 14 303 279 38 35
N40M 100 1.28 1.26 12.8 12.6 986 938 12.4 11.8 1114 14 318 303 40 38
N42M 100 1.33 1.28 13.3 12.8 1008 967 12.7 12.1 1114 14 334 318 42 40
N45M 100 1.37 1.33 13.7 13.3 1039 990 13.1 12.4 1114 14 358 334 45 42
N48M 100 1.40 1.37 14.0 13.7 1069 1019 13.4 12.8 1114 14 382 358 48 45
N50M 100 1.43 1.40 14.3 14.0 1069 1019 13.4 12.8 1080 14 398 382 50 48
N52M 100 1.46 1.43 14.6 14.3 1069 1019 13.4 12.8 1080 14 414 398 52 50
N35H 120 1.22 1.17 12.2 11.7 930 875 11.7 11.0 1353 17 279 263 35 33
N38H 120 1.26 1.22 12.6 12.2 960 912 12.1 11.5 1353 17 303 279 38 35
N40H 120 1.28 1.26 12.8 12.6 990 942 12.4 11.8 1353 17 318 303 40 38
N42H 120 1.33 1.28 13.3 12.8 1013 972 12.7 12.2 1353 17 334 318 42 40
N45H 120 1.37 1.33 13.7 13.3 1036 994 13.0 12.5 1353 17 358 334 45 42
N48H 120 1.40 1.37 14.0 13.7 1074 1024 13.5 12.9 1353 17 382 358 48 45
N50H 120 1.43 1.40 14.3 14.0 1097 1054 13.8 13.2 1353 17 398 382 50 48
N33SH 150 1.17 1.14 11.7 11.4 896 856 11.3 10.8 1592 20 263 239 33 30
N35SH 150 1.22 1.17 12.2 11.7 934 879 11.7 11.0 1592 20 279 263 35 33
N38SH 150 1.26 1.22 12.6 12.2 965 916 12.1 11.5 1592 20 303 279 38 35
N40SH 150 1.28 1.26 12.8 12.6 995 946 12.5 11.9 1592 20 318 303 40 38
N42SH 150 1.33 1.28 13.3 12.8 1018 976 12.8 12.3 1592 20 334 318 42 40
N45SH 150 1.37 1.33 13.7 13.3 1041 999 13.1 12.6 1592 20 358 334 45 42
N48SH 150 1.40 1.37 14.0 13.7 1074 1024 13.5 12.9 1592 20 382 358 48 45
N30UH 180 1.14 1.08 11.4 10.8 862 815 10.8 10.2 1989 25 239 223 30 28
N33UH 180 1.17 1.14 11.7 11.4 900 860 11.3 10.8 1989 25 263 239 33 30
N35UH 180 1.22 1.17 12.2 11.7 938 883 11.8 11.1 1989 25 279 263 35 33
N38UH 180 1.26 1.22 12.6 12.2 960 921 12.2 11.6 1989 25 303 279 38 35
N40UH 180 1.28 1.26 12.8 12.6 1000 951 12.6 11.9 1959 25 318 303 40 38
N42UH 180 1.33 1.28 13.3 12.8 1023 981 12.9 12.3 1989 25 334 318 42 40
N45UH 180 1.37 1.33 13.7 13.3 1041 999 13.1 12.6 1989 25 358 334 45 42
N30EH 200 1.14 1.08 11.4 10.8 862 815 10.8 10.2 2387 30 239 223 30 28
N33EH 200 1.17 1.14 11.7 11.4 900 860 11.3 10.8 2387 30 263 239 33 30
N35EH 200 1.22 1.17 12.2 11.7 938 883 11.8 11.1 2387 30 279 263 35 33
N38EH 200 1.26 1.22 12.6 12.2 969 921 12.2 11.6 2387 30 303 279 38 35
N40EH 200 1.28 1.26 12.8 12.6 1000 960 12.6 11.9 2387 30 318 303 40 38
N28AH 240 1.08 1.04 10.8 10.4 831 785 10.4 9.9 2787 35 223 199 28 25
N30AH 240 1.14 1.08 11.4 10.8 862 815 10.8 10.2 2787 35 239 223 30 28
N33AH 240 1.17 1.14 11.7 11.4 900 860 11.3 10.8 2787 35 263 239 33 30
N35AH 240 1.22 1.17 12.2 11.7 938 883 11.8 11.1 2787 35 279 263 35 33


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