We manufacture large quantity of neodymium block magnets every year, block magnets are widely used in industry. We custom mini neodymium block magnets and large magnets according to clients' requirements, can make it with multi-poles.The Max. working temperature is up to 220°C, need to be plated withNiCuNi, Zn, Black Epoxy, Sn, Cr, Ag, Au, Passiviated, phosphating etc.
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 magneticparameters and physical properties are given at room temperature. | |||||
· The maximum working temperature ofmagnet is changeable due to ratio of length and diameter and environmentfactors. |