Magnetic properties of Sintered NdFeB magnets: |
Grade | Remanence | Coercive Force | Intrinsic Coercive Force | Max. energy product | Max. |
Operating |
Temperature |
Br | Hcb | Hcj | (BH ) | Tw |
max |
mT | kA/m | kA/m | kJ/m3 |
(kGs) | (kOe) | (kOe) | (MGOe) |
N35 | 1170-1220 | >= 868 | >=955 | 263-287 | 80°C |
(11.7-12.2) | ( >= 10.9) | ( >= 12) | (33-36) |
N38 | 1220-1250 | >=899 | >=955 | 287-310 | 80°C |
(12.2-12.5) | ( >= 11.3) | ( >= 12) | (36-39) |
N40 | 1250-1280 | >= 907 | >=955 | 302-326 | 80°C |
(12.5-12.8) | ( >= 11.4) | ( >= 12) | (38-41) |
N42 | 1280-1320 | >= 915 | >=955 | 318-342 | 80°C |
(12.8-13.2) | ( >= 11.5) | ( >= 12) | (40-43) |
N45 | 1320-1380 | >= 923 | >=955 | 342-366 | 80°C |
(13.2-13.8) | ( >= 11.6) | ( >= 12) | (43-46) |
N48 | 1380-1420 | >= 923 | >=955 | 366-390 | 80°C |
(13.8-14.2) | ( >=11.6) | ( >= 12) | (46-49) |
N50 | 1400-1450 | >= 796 | >=955 | 382-406 | 80°C |
(14.0-14.5) | ( >= 10.0) | ( >= 12) | (48-51) |
N52 | 1430-1480 | >= 796 | >=955 | 398-422 | 80°C |
(14.3-14.8) | ( >= 10.0) | ( >= 12) | (50-53) |
33M | 1130-1170 | >= 836 | >= 1114 | 247-263 | 100°C |
(11.3-11.7) | (>= 10.5) | ( >= 14) | (31-33) |
35M | 1170-1220 | >= 868 | >= 1114 | 263-287 | 100°C |
(11.7-12.2) | ( >= 10.9) | ( >= 14) | (33-36) |
38M | 1220-1250 | >= 899 | >= 1114 | 287-310 | 100°C |
(12.2-12.5) | ( >= 11.3) | ( >= 14) | (36-39) |
40M | 1250-1280 | >= 923 | >= 1114 | 302-326 | 100°C |
(12.5-12.8) | ( >= 11.6) | ( >= 14) | (38-41) |
42M | 1280-1320 | >= 955 | >= 1114 | 318-342 | 100°C |
(12.8-13.2) | ( >= 12.0) | ( >= 14) | (40-43) |
45M | 1320-1380 | >= 995 | >= 1114 | 342-366 | 100°C |
(13.2-13.8) | ( >= 12.5) | ( >= 14) | (43-46) |
48M | 1360-1430 | >= 1027 | >= 1114 | 366-390 | 100°C |
(13.6-14.3) | ( >= 12.9) | ( >= 14) | (46-49) |
50M | 1400-1450 | >= 1033 | >= 1114 | 382-406 | 100°C |
(14.0-14.5) | ( >= 13.0) | ( >= 14) | (48-51) |
35H | 1170-1220 | >= 868 | >= 1353 | 263-287 | 120°C |
(11.7-12.2) | ( >= 10.9) | ( >= 17) | (33-36) |
38H | 1220-1250 | >= 899 | >= 1353 | 287-310 | 120°C |
(12.2-12.5) | ( >= 11.3) | ( >= 17) | (36-39) |
40H | 1250-1280 | >= 923 | >= 1353 | 302-326 | 120°C |
(12.5-12.8) | ( >= 11.6) | ( >= 17) | (38-41) |
42H | 1280-1320 | >= 955 | >= 1353 | 318-342 | 120°C |
(12.8-13.2) | ( >= 12.0) | ( >= 17) | (40-43) |
45H | 1320-1360 | >= 963 | >= 1353 | 326-358 | 120°C |
(13.2-13.6) | ( >= 12.1) | ( >= 17) | (43-46) |
48H | 1370-1430 | >= 995 | >= 1353 | 366-390 | 120°C |
(13.7-14.3) | ( >= 12.5) | ( >= 17) | (46-49) |
35SH | 1170-1220 | >= 876 | >= 1592 | 263-287 | 150°C |
(11.7-12.2) | ( >= 11.0) | ( >= 20) | (33-36) |
38SH | 1220-1250 | >= 907 | >= 1592 | 287-310 | 150°C |
(12.2-12.5) | ( >= 11.4) | ( >= 20) | (36-39) |
40SH | 1240-1280 | >= 939 | >= 1592 | 302-326 | 150°C |
(12.5-12.8) | ( >= 11.8) | ( >= 20) | (38-41) |
42SH | 1280-1320 | >= 987 | >= 1592 | 318-342 | 150°C |
(12.8-13.2) | ( >= 12.4) | ( >= 20) | (40-43) |
45SH | 1320-1380 | >= 1003 | >= 1592 | 342-366 | 150°C |
(13.2-13.8) | ( >= 12.6) | ( >= 20) | (43-46) |
28UH | 1020-1080 | >= 764 | >= 1990 | 207-231 | 180°C |
(10.2-10.8) | ( >= 9.6) | ( >= 25) | (26-29) |
30UH | 1080-1130 | >= 812 | >= 1990 | 223-247 | 180°C |
(10.8-11.3) | ( >= 10.2) | ( >= 25) | (28-31) |
33UH | 1130-1170 | >= 852 | >= 1990 | 247-271 | 180°C |
(11.3-11.7) | ( >= 10.7) | ( >= 25) | (31-34) |
35UH | 1180-1220 | >= 860 | >= 1990 | 263-287 | 180°C |
(11.8-12.2) | ( >= 10.8) | ( >= 25) | (33-36) |
38UH | 1220-1250 | >= 876 | >= 1990 | 287-310 | 180°C |
(12.2-12.5) | ( >= 11.0) | ( >= 25) | (36-39) |
40UH | 1240-1280 | >= 899 | >= 1990 | 302-326 | 180°C |
(12.5-12.8) | ( >=11.3) | ( >= 25) | (38-41) |
28EH | 1040-1090 | >= 780 | >= 2388 | 207-231 | 200°C |
(10.4-10.9) | ( >= 9.8) | ( >= 30) | (26-29) |
30EH | 1080-1130 | >= 812 | >= 2388 | 223-247 | 200°C |
(10.8-11.3) | ( >= 10.2) | ( >= 30) | (28-31) |
33EH | 1130-1170 | >= 876 | >= 2388 | 247-271 | 200°C |
(11.3-11.7) | ( >= 10.5) | ( >= 30) | (31-34) |
35EH | 1170-1220 | >= 876 | >= 2388 | 263-287 | 200°C |
(11.7-12.2) | ( >= 11.0) | ( >= 30) | (33-36) |
38EH | 1220-1250 | >= 899 | >= 2388 | 287-310 | 200°C |
(12.2-12.5) | ( >= 11.3) | ( >= 30) | (36-39) |
28AH | 1040-1090 | >=787 | >= 2624 | 207-231 | 230°C |
(10.4-10.9) | ( >= 9.9) | ( >= 33) | (26-29) |
30AH | (26-29) | >=819 | >= 2624 | 223-247 | 230°C |
(10.8-11.3) | ( >= 10.3) | ( >= 33) | (28-31) |
33AH | 1130-1170 | >= 843 | >= 2624 | 247-271 | 230°C |
(11.3-11.7) | (>= 10.6) | ( >= 33) | (31-34) |
Note: @ The above-mentioned data of magnetic parameters and physical properties are given at room temperature. @ The maximum working temperature of magnet is changeable due to ratio of length and diameter and environment factors |