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NdFeB ( Magnet )
NdFeB MAGNETIC MATERIAL, CHARATTERISTICSˇˇ
NO Grade Br Hcb Hcj BHmax TW
T
KGs 		KA/m
KOe		 KA/m
KOe		 KJ/m3
MGOe
Max Min Max Min Max Min °C
1 N35 1.21
12.1		 1.17
11.7 		907
11.4 		860
10.8 		>=955
>=12		 279
35		 263
33		 <=80
2 N38 1.26
12.6 		1.22
12.2 		907
11.4 		860
10.8 		>=955
>=12		 303
38 		287
36 		<=80
3 N40 1.29
12.9 		1.26
12.6 		907
11.4 		860
10.8 		>=955
>=12		 318
40 		303
38
<=80
4 N42 1.33
13.3 		1.30
13.0 		907
11.4 		860
10.8 		>=955
>=12		 334
42 		318
40 		<=80
5 N45 1.37
13.7 		1.33
13.3 		907
11.4 		860
10.8 		>=955
>=12		 358
45		 342
43 		<=80
6 N48 1.42
14.2 		1.36
13.6 		907
11.4 		860
10.8 		>=955
>=12		 382
48 		358
45 		<=80
7 N35M 1.21
12.1 		1.17
11.7 		907
11.4 		860
10.8 		>=1114
>=14		 279
35 		263
33 		<=100
8 N38M 1.26
12.6 		1.22
12.2 		907
11.4 		860
10.8

>=1114
>=14

 303
38 		287
36 		<=100
9 N40M 1.29
12.9 		1.26
12.6 		907
11.4 		860
10.8		 >=1114
>=14		 318
40 		303
33 		<=100
10 N42M 1.33
13.3 		1.30
13.0 		907
11.4 		860
10.8		 >=1114
>=14		 334
42 		318
40 		<=100
11 N45M 1.37
13.7 		1.33
13.3 		907
11.4 		860
10.8		 >=1114
>=14		 358
45 		342
43 		<=100
12 N30H 1.12
11.2 		1.08
10.8		 844
10.6		 804
10.1 		>=1353
>=17		 239
30 		223
28 		<=120
13 N33H 1.17
11.7 		1.14
11.4 		876
11.0 		820
10.3 		>=1353
>=17		 263
33 		247
31 		<=120
14 N35H 1.21
12.1 		1.17
11.7 		907
11.4 		860
10.8		 >=1353
>=17		 279
35 		263
33 		<=120
15 N38H 1.26
12.6 		1.22
12.2 		907
11.4 		860
10.8		 >=1353
>=17		 303
38 		287
36 		<=120
16 N40H 1.29
12.9 		1.26
12.6 		907
11.4 		860
10.8		 >=1353
>=17		 318
40		 303
38 		<=120
17 N42H 1.33
13.3 		1.30
13.0 		907
11.4 		860
10.8		 >=1353
>=17		 334
42 		318
40 		<=120
20 N30SH 1.12
11.2

1.08
10.8

844
10.6 		804
10.1 		>=1592
>=20 		239
30 		223
28 		<=150
21 N33SH 1.17
11.7 		1.14
11.4 		876
11.0 		820
10.3 		>=1592
>=20 		263
33 		247
31 		<=150
23 N35SH 1.21
12.1 		1.17
11.7 		907
11.4 		860
10.8 		>=1592
>=20 		279
35 		263
33 		<=150
24 N38SH 1.26
12.6 		1.22
12.2 		907
11.4		 860
10.8 		>=1592
>=20 		303
38 		287
36 		<=150
25 N40SH 1.29
12.9		 1.26
12.6 		907
11.4		 860
10.8 		>=1592
>=20 		318
40 		303
38 		<=150
26 N28UH 1.08
10.8 		1.04
10.4 		812
10.2 		780
9.8 		>=1989
>=25		 223
28 		207
26 		<=180
27 N30UH 1.12
11.2 		1.08
10.8 		844
10.6 		804
10.1 		>=1989
>=25		 239
30
 223
28 		<=180
28 N33UH 1.17
11.7

1.14
11.4

876
11.0 		820
10.3
 >=1989
>=25		 263
33 		247
31		 <=180
29 N35UH 1.21
12.1		 1.17
11.7 		907
11.4 		860
10.8 		>=1989
>=25		 279
35 		263
33 		<=180
30 N28EH 1.08
10.8 		1.04
10.4 		812
10.2 		780
9.8
 >=2387
>=30		 223
28 		207
26 		<=200
31 N30EH

1.12
11.2

 1.08
10.8 		844
10.6 		804
10.1 		>=2387
>=30		 239
30 		223
28 		<=200
32 N33EH 1.17
11.7 		1.14
11.4 		876
11.0

820
10.3

 >=2387
>=30		 263
33 		247
31 		<=200
Nd-Fe-B Physical Property
NO. Temp.Coefficient (Br) Density Curie Temp. rec Recoil
Permeability
 Product type
%/°C g/cm3 °C
1 -0.12 7.4-7.6 310 1.1 N
2 -0.1 7.4-7.6 340 1.1 NH NSH
3 -0.1 7.4-7.6 350 1.1 NUH NEH NZH
 

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