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Magnetic properties of Sintered Neodymium Magnet (NdFeB magnet): Grade Remanence Coercive Force Intrinsic Coercive Force Max. energy product Max.
Operating
Temperature Br
mT
(kGs) Hcb
kA/m
(kOe) Hcj
kA/m
(kOe) ( BH )max kJ/m 3
(MGOe) Tw N35 1170-1220
(11.7-12.2) ≥ 868
( ≥ 10.9) ≥ 955
( ≥ 12) 263-287
(33-36) 80 deg N38 1220-1250
(12.2-12.5) ≥ 899
( ≥ 11.3) ≥ 955
( ≥ 12) 287-310
(36-39) 80 deg N40 1250-1280
(12.5-12.8) ≥ 907
( ≥ 11.4) ≥ 955
( ≥ 12) 302-326
(38-41) 80 deg N42 1280-1320
(12.8-13.2) ≥ 915
( ≥ 11.5) ≥ 955
( ≥ 12) 318-342
(40-43) 80 deg N45 1320-1380
(13.2-13.8) ≥ 923
( ≥ 11.6) ≥ 955
( ≥ 12) 342-366
(43-46) 80 deg N48 1380-1420
(13.8-14.2) ≥ 923
( ≥ 11.6) ≥ 876
( ≥ 12) 366-390
(46-49) 80 deg N50 1400-1450
(14.0-14.5) ≥ 796
( ≥ 10.0) ≥ 876
( ≥ 11) 382-406
(48-51) 60 deg N52 1430-1480
(14.3-14.8) ≥ 796
( ≥ 10.0) ≥ 876
( ≥ 11) 398-422
(50-53) 60 deg 30M 1080-1130
(10.8-11.3) ≥ 796
( ≥ 10.0) ≥ 1114
( ≥ 14) 223-247
(28-31) 100 deg 33M 1130-1170
(11.3-11.7) ≥ 836
( ≥ 10.5) ≥ 1114
( ≥ 14) 247-263
(31-33) 100 deg 35M 1170-1220
(11.7-12.2) ≥ 868
( ≥ 10.9) ≥ 1114
( ≥ 14) 263-287
(33-36) 100 deg 38M 1220-1250
(12.2-12.5) ≥ 899
( ≥ 11.3) ≥ 1114
( ≥ 14) 287-310
(36-39) 100 deg 40M 1250-1280
(12.5-12.8) ≥ 923
( ≥ 11.6) ≥ 1114
( ≥ 14) 302-326
(38-41) 100 deg 42M 1280-1320
(12.8-13.2) ≥ 955
( ≥ 12.0) ≥ 1114
( ≥ 14) 318-342
(40-43) 100 deg 45M 1320-1380
(13.2-13.8) ≥ 995
( ≥ 12.5) ≥ 1114
( ≥ 14) 342-366
(43-46) 100 deg 48M 1360-1430
(13.6-14.3) ≥ 1027
( ≥ 12.9) ≥ 1114
( ≥ 14) 366-390
(46-49) 100 deg 50M 1400-1450
(14.0-14.5) ≥ 1033
( ≥ 13.0) ≥ 1114
( ≥ 14) 382-406
(48-51) 100 deg 30H 1080-1130
(10.8-11.3) ≥ 796
( ≥ 10.0) ≥ 1353
( ≥ 17) 223-247
(28-31) 120 deg 33H 1130-1170
(11.3-11.7) ≥ 836
( ≥ 10.5) ≥ 1353
( ≥ 17) 247-271
(31-34) 120 deg 35H 1170-1220
(11.7-12.2) ≥ 868
( ≥ 10.9) ≥ 1353
( ≥ 17) 263-287
(33-36) 120 deg 38H 1220-1250
(12.2-12.5) ≥ 899
( ≥ 11.3) ≥ 1353
( ≥ 17) 287-310
(36-39) 120 deg 40H 1250-1280
(12.5-12.8) ≥ 923
( ≥ 11.6) ≥ 1353
( ≥ 17) 302-326
(38-41) 120 deg 42H 1280-1320
(12.8-13.2) ≥ 955
( ≥ 12.0) ≥ 1353
( ≥ 17) 318-342
(40-43) 120 deg 45H 1300-1360
(13-13.6) ≥ 963
( ≥ 12.1) ≥ 1353
( ≥ 17) 326-358
(43-46) 120 deg 48H 1370-1430
(13.7-14.3) ≥ 995
( ≥ 12.5) ≥ 1353
( ≥ 17) 366-390
(46-49) 120 deg 30SH 1080-1130
(10.8-11.3) ≥ 804
( ≥ 10.1) ≥ 1592
( ≥ 20) 223-247
(28-31) 150 deg 33SH 1130-1170
(11.3-11.7) ≥ 844
( ≥ 10.6) ≥ 1592
( ≥ 20) 247-271
(31-34) 150 deg 35SH 1170-1220
(11.7-12.2) ≥ 876
( ≥ 11.0) ≥ 1592
( ≥ 20) 263-287
(33-36) 150 deg 38SH 1220-1250
(12.2-12.5) ≥ 907
( ≥ 11.4) ≥ 1592
( ≥ 20) 287-310
(36-39) 150 deg 40SH 1240-1280
(12.5-12.8) ≥ 939
( ≥ 11.8) ≥ 1592
( ≥ 20) 302-326
(38-41) 150 deg 42SH 1280-1320
(12.8-13.2) ≥ 987
( ≥ 12.4) ≥ 1592
( ≥ 20) 318-342
(40-43) 150 deg 45SH 1320-1380
(13.2-13.8) ≥ 1003
( ≥ 12.6) ≥ 1592
( ≥ 20) 342-366
(43-46) 150 deg 28UH 1020-1080 (10.2-10.8) ≥ 764
( ≥ 9.6) ≥ 1990
( ≥ 25) 207-231
(26-29) 180 deg 30UH 1080-1130 (10.8-11.3) ≥ 812
( ≥ 10.2) ≥ 1990
( ≥ 25) 223-247
(28-31) 180 deg 33UH 1130-1170
(11.3-11.7) ≥ 852
( ≥ 10.7) ≥ 1990
( ≥ 25) 247-271
(31-34) 180 deg 35UH 1180-1220
(11.8-12.2) ≥ 860
( ≥ 10.8) ≥ 1990
( ≥ 25) 263-287
(33-36) 180 deg 38UH 1220-1250
(12.2-12.5) ≥ 876
( ≥ 11.0) ≥ 1990
( ≥ 25) 287-310
(36-39) 180 deg 40UH 1240-1280
(12.5-12.8) ≥ 899
( ≥ 11.3) ≥ 1990
( ≥ 25) 302-326
(38-41) 180 deg 28EH 1040-1090
(10.4-10.9) ≥ 780
( ≥ 9.8) ≥ 2388
( ≥ 30) 207-231
(26-29) 200 deg 30EH 1080-1130 (10.8-11.3) ≥ 812
( ≥ 10.2) ≥ 2388
( ≥ 30) 223-247
(28-31) 200 deg 33EH 1130-1170
(11.3-11.7) ≥ 836
( ≥ 10.5) ≥ 2388
( ≥ 30) 247-271
(31-34) 200 deg 35EH 1170-1220
(11.7-12.2) ≥ 876
( ≥ 11.0) ≥ 2388
( ≥ 30) 263-287
(33-36) 200 deg 38EH 1220-1250
(12.2-12.5) ≥ 899
( ≥ 11.3) ≥ 2388
( ≥ 30) 287-310
(36-39) 200 deg 30AH 1080-1120
(10.8-11.2) ≥ 812
( ≥ 10.2) ≥ 2785
( ≥ 35) 223-255
(28-32) 220 deg 33AH 1120-1170
(11.2-11.7) ≥ 812
( ≥ 10.2) ≥ 2785
( ≥ 35) 247-271
(31-34) 220 deg Physical and Mechanical Properties of Neodymium Magnet:
Thermal Conductivity 7.7 kcal/m-h-° C Young' s Modulus 1.7 x 104 kg/mm2 Bending Strength 24 kg/mm2 Compressive Strength 80 kg/mm2 Electrical Resistivity 160 µ -ohm-cm/cm2 Density 7.4-7.55 g/cm3 Vickers Hardness 500 - 600 Available coatings for sintered Neodymium Magnet (NdFeB magnet): Available Coatings:
Surface Coating Thickness (Microns) Color Resistance
Passivation
1 Silver Grey Temporary Protection
Nickel Ni+Ni 10.0-20 Bright Silver Excellent against Humidity
Ni+Cu+Ni
Zinc Zn 8.0-20 Bright Blue Good Against Salt Spray
C-Zn Shinny Color Excellent Against Salt Spray
Tin Ni+Cu+Sn 15-20 Silver Superior Against Humidity
Gold Ni+Cu+Au 10.0-20 Gold Superior Against Humidity
Copper Ni+Cu 10.0-20 Gold Temporary Protection
Epoxy Epoxy 15-25 Black, Red, Grey Excellent Against Humidity
& Salt Spray
Ni+Cu+Epoxy
Zn+Epoxy
Chemical Ni 10.0-20 Silver Grey Excellent Against Humidity
Parylene Parylene 5.0-20 Grey Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria.
FDA Approved.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.