1. This is sintered Neodymium magnet, it's also name is "Sintered NdFeB magnet", it is the third generation rare earth permanent magnet. And it is most powerful and strongest magnet in World at persent.
2. Except regular shapes of sintered NdFeB magnets, we also can make the abnormity shapes magnet according to customers' requirment or designs.
Normally, for abnormity shapes magnets are machined with wire cutting, grinding, drilling from block shape or cylinder shapes.
3. Our machining equipment can match customers' any requirment of the magnet processing.
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Magnetic Characteristics And Physical Properties of Sintered NdFeB magnet |
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 |
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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. |
The demagnetized curve of
sintered NdFeB magnet