Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM’s) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.
The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.
Our factory can also manufacture various sizes of NdFeB magnet, according to the customer’s specification.
Magnetic Characteristics And Physical Properties of Sintered NdFeB |
||||||
Properties |
Remanence |
Coercive Force |
Intrinsic Coercive Force |
Max Energy Product |
Max Working Temp |
|
|
Br |
Hcb |
Hcj |
(BH)max |
Tw |
|
Grade |
mT(KGs) |
KA/m (KGs) |
KA/m (KOe) |
KJ/m 3 ( MGOe ) |
℃ |
|
N-30 |
1080-1130 |
≥ 796 |
≥ 955 |
223-247 |
≤ 80 |
|
(10.8-11.3) |
( ≥ 10) |
( ≥ 12) |
(28-31) |
|||
N-33 |
1130-1180 |
≥ 836 |
≥ 955 |
247-270 |
≤ 80 |
|
(11.3-11.8) |
( ≥ 10.5) |
( ≥ 12) |
(31-34) |
|||
N-35 |
1170-1220 |
≥ 868 |
≥ 955 |
263-287 |
≤ 80 |
|
(11.7-12.2) |
( ≥ 10.9) |
( ≥ 12) |
(33-36) |
|||
N-38 |
1220-1250 |
≥ 899 |
≥ 955 |
287-310 |
≤ 80 |
|
(12.2-12.5) |
( ≥ 11.3) |
( ≥ 12) |
(36-39) |
|||
N-40 |
1250-1280 |
≥ 923 |
≥ 955 |
302-326 |
≤ 80 |
|
(12.5-12.8) |
( ≥ 11.6) |
( ≥ 12) |
(38-41) |
|||
N-42 |
1280-1320 |
≥ 923 |
≥ 955 |
318-342 |
≤ 80 |
|
(12.8-13.2) |
( ≥ 11.6) |
( ≥ 12) |
(40-43) |
|||
N-45 |
1320-1380 |
≥ 876 |
≥ 955 |
342-366 |
≤ 80 |
|
(13.2-13.8) |
( ≥ 11.0) |
( ≥ 12) |
(43-46) |
|||
N-48 |
1380-1420 |
≥ 836 |
≥ 876 |
366-390 |
≤ 80 |
|
(13.8-14.2) |
( ≥ 10.5) |
( ≥ 11) |
(46-49) |
|||
N-50 |
1400-1450 |
≥ 860 |
≥ 876 |
382-406 |
≤ 80 |
|
(14.0-14.5) |
( ≥ 10.8) |
( ≥ 11) |
(48-51) |
|||
30M |
1080-1130 |
≥ 796 |
≥ 1114 |
223-247 |
≤ 100 |
|
(10.8-11.3) |
( ≥ 10) |
( ≥ 14) |
(28-31) |
|||
33M |
1130-1180 |
≥ 836 |
≥ 1114 |
247-270 |
≤ 100 |
|
(11.3-11.8) |
( ≥ 10.5) |
( ≥ 14) |
(31-34) |
|||
35M |
1170-1220 |
≥ 868 |
≥ 1114 |
263-287 |
≤ 100 |
|
(11.7-12.2) |
( ≥ 10.9) |
( ≥ 14) |
(33-36) |
|||
38M |
1220-1250 |
≥ 899 |
≥ 1114 |
287-310 |
≤ 100 |
|
(12.2-12.5) |
( ≥ 11.3) |
( ≥ 14) |
(36-39) |
|||
40M |
1250-1280 |
≥ 923 |
≥ 1114 |
302-326 |
≤ 100 |
|
(12.5-12.8) |
( ≥ 11.6) |
( ≥ 14) |
(38-41) |
|||
42M |
1280-1320 |
≥ 955 |
≥ 1114 |
318-342 |
≤ 100 |
|
12.8-13.2 |
( ≥ 12.0) |
( ≥ 14) |
(40-43) |
|||
45M |
1320-1380 |
≥ 995 |
≥ 1114 |
342-366 |
≤ 100 |
|
(13.2-13.8) |
( ≥ 12.5) |
( ≥ 14) |
(43-46) |
|||
48M |
1360-1430 |
≥ 1027 |
≥ 1114 |
366-390 |
≤ 100 |
|
(13.6-14.3) |
( ≥ 12.9) |
( ≥ 14) |
(46-49) |
|||
50M |
1400-1450 |
≥ 1033 |
≥ 1114 |
382-406 |
≤ 100 |
|
(14.0-14.5) |
( ≥ 13.0) |
( ≥ 14) |
(48-51) |
|||
30H |
1080-1130 |
≥ 796 |
≥ 1353 |
223-247 |
≤ 120 |
|
(10.8-11.3) |
( ≥ 10) |
( ≥ 17) |
(28-31) |
|||
33H |
1130-1180 |
≥ 836 |
≥ 1353 |
247-271 |
≤ 120 |
|
(11.3-11.8) |
( ≥ 10.5) |
( ≥ 17) |
(31-34) |
|||
35H |
1170-1220 |
≥ 868 |
≥ 1353 |
263-287 |
≤ 120 |
|
(11.7-12.2) |
( ≥ 10.9) |
( ≥ 17) |
(33-36) |
|||
38H |
1220-1250 |
≥ 899 |
≥ 1353 |
287-310 |
≤ 120 |
|
(12.2-12.5) |
( ≥ 11.3) |
( ≥ 17) |
(36-39) |
|||
40H |
1250-1280 |
≥ 923 |
≥ 1353 |
302-326 |
≤ 120 |
|
(12.5-12.8) |
( ≥ 11.6) |
( ≥ 17) |
(38-41) |
|||
42H |
1280-1320 |
≥ 955 |
≥ 1353 |
318-342 |
≤ 120 |
|
(12.8-13.2) |
( ≥ 12.0) |
( ≥ 17) |
(40-43) |
|||
45H |
1320-1380 |
≥ 963 |
≥ 1353 |
342-366 |
≤ 120 |
|
(13.2-13.8) |
( ≥ 12.1) |
( ≥ 17) |
(43-46) |
|||
48H |
1370-1430 |
≥ 995 |
≥ 1274 |
366-390 |
≤ 120 |
|
(13.7-14.3) |
( ≥ 12.5) |
( ≥ 16) |
(46-49) |
|||
30SH |
1080-1130 |
≥ 804 |
≥ 1592 |
223-247 |
≤ 150 |
|
(10.8-11.3) |
( ≥ 10.1) |
( ≥ 20) |
(28-31) |
|||
33SH |
1130-1170 |
≥ 844 |
≥ 1592 |
247-271 |
≤ 150 |
|
(11.3-11.7) |
≥ 10.6 |
( ≥ 20) |
(31-34) |
|||
35SH |
1170-1220 |
≥ 876 |
≥ 1592 |
263-287 |
≤ 150 |
|
(11.7-12.2) |
( ≥ 11.0) |
( ≥ 20) |
(33-36) |
|||
38SH |
1220-1250 |
≥ 907 |
≥ 1592 |
287-310 |
≤ 150 |
|
(12.2-12.5) |
( ≥ 11.4) |
( ≥ 20) |
(36-39) |
|||
40SH |
1250-1280 |
≥ 939 |
≥ 1592 |
302-326 |
≤ 150 |
|
(12.5-12.8) |
( ≥ 11.8) |
( ≥ 20) |
(38-41) |
|||
42SH |
1280-1320 |
≥ 995 |
≥ 1592 |
318-342 |
≤ 150 |
|
(12.8-13.2) |
( ≥ 12.5) |
( ≥ 20) |
(40-43) |
|||
45SH |
1320-1380 |
≥ 1003 |
≥ 1592 |
342-366 |
≤ 150 |
|
(13.2-13.8) |
( ≥ 12.6) |
( ≥ 20) |
(43-46) |
|||
28UH |
1020-1080 |
≥ 764 |
≥ 1990 |
207-231 |
≤ 180 |
|
(10.2-10.8) |
( ≥ 9.6) |
( ≥ 25) |
(26-29) |
|||
30UH |
1080-1130 |
≥ 812 |
≥ 1990 |
223-247 |
≤ 180 |
|
(10.8-11.3) |
( ≥ 10.2) |
( ≥ 25) |
(28-31) |
|||
33UH |
1130-1170 |
≥ 852 |
≥ 1990 |
247-271 |
≤ 180 |
|
(11.3-11.7) |
( ≥ 10.7) |
( ≥ 25) |
(31-34) |
|||
35UH |
1180-1220 |
≥ 860 |
≥ 1990 |
263-287 |
≤ 180 |
|
(11.8-12.2) |
( ≥ 10.8) |
( ≥ 25) |
(33-36) |
|||
38UH |
1220-1250 |
≥ 907 |
≥ 1990 |
287-310 |
≤ 180 |
|
(12.2-12.5) |
( ≥ 11.4) |
( ≥ 25) |
(36-39) |
|||
30EH |
1080-1130 |
≥ 812 |
≥ 2388 |
223-247 |
≤ 200 |
|
(10.8-11.3) |
( ≥ 10.2) |
( ≥ 30) |
(28-31) |
|||
33EH |
1130-1170 |
≥ 812 |
≥ 2388 |
247-271 |
≤ 200 |
|
(11.3-11.7) |
( ≥ 10.2) |
( ≥ 30) |
(31-34) |
|||
35EH |
1170-1220 |
≥ 876 |
≥ 2388 |
263-287 |
≤ 200 |
|
(11.7-12.2) |
( ≥ 11.0) |
( ≥ 30) |
(33-36) |
|||
30AH |
1080-1130 |
≥ 812 |
≥ 2785 |
223-247 |
≤ 240 |
|
(10.8-11.3) |
( ≥ 10.2) |
( ≥ 35) |
(28-31) |
|||
33AH |
1130-1170 |
≥ 812 |
≥ 2785 |
247-271 |
≤ 240 |
|
(11.3-11.7) |
( ≥ 10.2) |
( ≥ 35) |
31-34 |
|||
|
|
|
|
|
|
|
NOTES: |
The above-mentioned data of magnetic parameters and physical properties ars given at room temperature. |
The maximum service temperature of magnet is changeable due to the ratio length and diameter and |
Environmental factors. |
Density: 7.4~7.6g/cm 3 ; α Br:-0.09~0.13%/ ℃, β Hcj: -0.50~0.80%/ ℃; Hv:600. |