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Zhonghao Magnetic Materials Co.,Ltd is one of the leading China ring shape ndfeb magnet manufacturers and suppliers welcome to wholesale ring magnets, neodymium ring magnets, disc magnets, neodymium disc magnets, disc shape ndfeb magnet from our factory.
Rare earth permanent magnetic materials is the samarium, neodymium mixed rare earth metals and transition metal (such as alloy of cobalt, iron, etc.), by the powder metallurgy method of pressure sintering, the magnetizing field of a magnetic material
Rare earth permanent magnetic materials has become important materials for electronic communication technology, used in satellite and radar TWT, a circulator and micro motor, micro cassette recorder, aviation equipment, electronic watches, seismic instrument and other electronic instrument. Current rare earth permanent magnet application has penetrated into cars, household appliances, electronic meter, magnetic resonance imaging, audio equipment, micro motor, such as mobile phones
Magnetic Properties of NdFeB Magnets  
Performance
Grade Br mT
(KGs) HcB KA/m
(KOe) HcJ KA/m
(KOe) (BH)max KJ/m3
(MGOe) TW(℃)
Min Typical Min Min Min Typical Max
N35 1180(11.8) 1230(12.1) 868(10.9) 955(12) 263(33) 278(35) 80
N38 1230(12.3) 1250(12.5) 899(11.3) 955(12) 287(36) 295(37) 80
N40 1270(12.7) 1280(12.8) 923(11.6) 955(12) 303(38) 310(39) 80
N42 1290(12.9) 1310(13.1) 923(11.6) 955(12) 318(40) 326(41) 80
N45 1330(13.3) 1350(13.5) 876(11.0) 955(12) 342(43) 350(44) 80
N48 1360(13.6) 1380(13.8) 836(10.5) 955(12) 366(46) 374(47) 80
N50 1410(14.1) 1420(14.2) 860(10.8) 876(11) 374(47) 390(49) 70
N52 1430(14.3) 1440(14.4) 836(10.8) 876(11.0) 390(49) 406(51) 70
30M 1080(10.8) 1140(11.4) 796(10) 1114(14) 223(28) 246(31)
33M 1130(11.3) 1150(11.5) 836(10.5) 1114(14) 247(31) 255(32)
35M 1180(11.8) 1200(12.0) 868(10.9) 1114(14) 263(33) 271(34)
38M 1230(12.3) 1250(12.5) 899(11.3) 1114(14) 287(36) 295(37)
40M 1270(12.7) 1280(12.8) 923(11.6) 1114(14) 303(38) 310(39)
42M 1290(12.9) 1310(13.1) 955(12.0) 1114(14) 318(40) 326(41)
45M 1330(13.3) 1350(13.5) 995(12.5) 1114(14) 342(43) 350(44)
48M 1360(13.6) 1380(13.8) 1027(12.9) 1114(14) 358(45) 374(47)
50M 1410(14.1) 1420(14.2) 1050(13.2) 1114(14) 374(47) 390(49)
30H 1080(10.8) 1100(11.0) 796(10) 1353(17) 223(28) 239(30)
33H 113011.3) 1150(11.5) 836(10.5) 1353(17) 247(31) 255(32)
35H 1180(11.8) 1200(12.0) 868(10.9) 1353(17) 263(33) 271(34)
38H 1230(12.3) 1250(12.5) 899(11.3) 1353(17) 287(36) 295(37)
40H 1270(12.7) 1280(12.8) 923(11.6) 1353(17) 303(38) 310(39)
42H 1290(12.9) 1310(13.1) 955(12.0) 1353(17) 318(40) 326(41)
45H 1330(13.3) 1340(13.4) 995(12.5) 1353(16) 342(43) 350(44)
48H 1360(13.6) 1380(13.8) 1027(12.9) 1353(16) 358(45) 366(46)
28SH 1050(10.5) 1080(10.8) 764(9.6) 1592(20) 207(26) 215(27)
30SH 1080(10.8) 1100(11.0) 804(10.1) 1592(20) 223(28) 239(30)
33SH 1130(11.3) 1150(11.5) 844(10.6) 1592(20) 247(31) 255(32)
35SH 1180(11.8) 1200(12.0) 876(11.0) 1592(20) 263(33) 271(34)
38SH 1230(12.3) 1250(12.5) 907(11.4) 1592(20) 287(36) 295(37)
40SH 1270(12.7) 1280(12.8) 939(11.8) 1592(20) 303(38) 310(39)
42SH 1290(12.9) 1310(13.1) 955(12.0) 1592(20) 318(40) 326(41)
45SH 1320(13.2) 1340(13.4) 995(12.5) 1592(20) 334(42) 342(43)
28UH 1050(10.5) 1080(10.8) 764(9.6) 1990(25) 207(26) 223(28)
30UH 1080(10.8) 1100(11.0) 812(10.2) 1990(25) 223(28) 239(30)
33UH 1130(11.3) 1150(11.5) 852(10.7) 1990(25) 247(31) 255(32)
35UH 1180(11.8) 1200(12.0) 860(10.8) 1990(25) 263(33) 271(34)
38UH 1230(12.3) 1250(12.5) 907(11.4) 1990(25) 287(36) 295(37)
40UH 1260(12.6) 1270(12.7) 923(11.6) 1990(25) 303(38) 310(39)
42UH 1290(12.9) 1310(13.1) 923(11.6) 1990(25) 318(40) 326(41)
28EH 1050(10.5) 1080(10.8) 764(9.6) 2388(30) 207(26) 223(28)
30EH 1080(10.8) 1100(11.0) 812(10.2) 2388(30) 223(28) 239(30)
33EH 1130(11.3) 1150(11.5) 812(10.2) 2388(30) 247(31) 255(32)
35EH 1180(11.8) 1200(12.0) 812(10.2) 2388(30) 263(33) 271(34)
38EH 1230(12.3) 1250(12.5) 868(10.9) 2388(30) 287(36) 295(37)
30TH 1080(10.8) 1100(11.0) 812(10.2) 2627(33) 223(28) 239(30)
33TH 1130(11.3) 1150(11.5) 812(10.2) 2627(33) 247(31) 255(32) china super magnets
website:http://www.zh-magnets.com/ndfeb-magnet/

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