NdFeB Magnet

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Magnetic properties of sintered NdFeB
Grade Material(min) Intrinsic coercivity(min) coercivity(min) maximum magnetic energy product The maximum operating temperature 
BR Hcb Hcj (BH)max
KGs T KOe KA/m KOe KA/m MGOe KJ/m³
N35

11.7-12.1

1.17-1.21

≥10.9

≥868

≥12

≥955

33-36

263-287

80
N38

12.1-12.5

1.21-1.25

≥11.3 ≥ 899 ≥12 ≥955 36-39 287-310 80
N40 12.5-12.8 1.25-1.28 ≥11.6 ≥ 923 ≥12 ≥955 38-41 302-326 80
N42 12.8-13.2 1.28-1.32 ≥11.6 ≥923 ≥12 ≥955 40-43 318-342 80
N45 13.2-13.8 1.32-1.38 ≥11.0 ≥876 ≥12 ≥955 43-46 332-366 80
N48 13.8-14.2 1.38-1.42 ≥ 10.5 ≥ 835 ≥11 ≥876 46-49 366-396 80
N50 13.8-14.5 1.38-1.45 ≥ 10.5 ≥ 835 ≥11 ≥876 47-51 374-406 80
35M 11.7-12.1 1.17-1.21 ≥ 10.9 ≥ 868 ≥14 ≥1114 33-36 263-287 100
38M 12.1-12.5 1.21-1.25 ≥ 11.3 ≥ 899 ≥ 14 ≥1114 36-39 287-310 100
40M 12.5-12.8 1.25-1.28 ≥ 11.6 ≥ 923 ≥ 14 ≥1114 38-41 302-326 100
42M 12.8-13.2 1.28-1.32 ≥ 12.1 ≥ 963 ≥ 14 ≥1114 40-43 318-342 100
45M 13.2-13.8 1.32-1.38 ≥ 12.5 ≥ 995 ≥ 14 ≥1114 43-46 342-366 100
30H 10.8-11.3 1.08-1.13 ≥ 10.2 ≥ 812 ≥ 17 ≥1353 28-31 223-247 120
33H 11.3-11.7 1.13-1.17 ≥ 10.6 ≥ 844 ≥ 17 ≥1353 31-33 247-263 120
35H 11.7-12.1 1.17-1.21 ≥ 11.0 ≥ 876 ≥ 17 ≥1353 33-36 263-287 120
38H 12.1-12.5 1.21-1.25 ≥ 11.2 ≥ 890 ≥ 17 ≥1353 36-39 287-310 120
40H 12.5-12.8 1.25-1.28 ≥ 11.5 ≥ 915 ≥ 17 ≥1353 38-41 302-326 120
42H 12.8-13.2 1.28-1.32 ≥ 11.9 ≥ 947 ≥ 17 ≥1353 40-43 318-342 120
30SH 11.3-11.7 1.13-1.17 ≥ 10.5 ≥ 836 ≥ 20 ≥1592 31-33 247-263 150
33SH 11.3-11.7 1.13-1.17 ≥ 10.5 ≥ 836 ≥ 20 ≥1592 31-33 247-263 150
35SH 11.7-12.1 1.17-1.21 ≥ 11.0 ≥ 876 ≥ 20 ≥1592 33-36 263-287 150
38SH 12.1-1.25 1.21-1.25 ≥ 11.4 ≥ 907 ≥ 20 ≥1592 36-39 287-310 150
40SH 12.5-12.8 1.25-1.28 ≥ 11.6 ≥ 923 ≥ 20 ≥1989 38-41 302-326 150
30UH 11.3-11.7 1.13-1.17 ≥ 10.5 ≥ 836 ≥ 25 ≥1990 31-33 247-263 180
33UH

11.3-11.7

1.17-1.21

≥ 10.7

≥ 836

≥ 25

≥1990

31-33

263-287

180

35UH

11.7-12.1

1.04-1.08

≥ 9.5

≥ 852

≥ 25

≥1990

33-36

207-231

180

28EH

10.4-10.8

1.04-1.08

≥ 9.5

≥ 756

≥ 30

≥2388

26-29

207-231

200

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