Sintered NdFeB
Known as third generation of Rare Earth magnets,Neodymium Iron Boron(NdFeB) magnets are most powerful and advanced commercialized permanent magnet today.Since they are made from Neodymium,one of the most plentiful rare earth elements,and inexpensive iron,NdFeB magnets offer the best value in cost and performance.
| Grade | Br mT(kGs) |
Hcb kA/m(kOe) |
Hcj kA/m (kOe) |
( BH )max kJ/m3(MGOe) | (Tw) |
| N35 | 1170-1220(11.7-12.2) | ≥ 868( ≥ 10.9) | ≥ 955( ≥ 12) | 263-287(33-36) | 80 ℃ |
| N38 | 1220-1250(12.2-12.5) | ≥ 899( ≥ 11.3) | ≥ 955( ≥ 12) | 287-310(36-39) | 80 ℃ |
| N40 | 1250-1280(12.5-12.8) | ≥ 907( ≥ 11.4) | ≥ 955 ( ≥ 12) | 302-326(38-41) | 80 ℃ |
| N42 | 1280-1320(12.8-13.2) | ≥ 915( ≥ 11.5) | ≥ 955( ≥ 12) | 318-342(40-43) | 80 ℃ |
| N45 | 1320-1380(13.2-13.8) | ≥ 923( ≥ 11.6) | ≥ 955 ( ≥ 12) | 342-366(43-46) | 80 ℃ |
| N48 | 1380-1420(13.8-14.2) | ≥ 923( ≥ 11.6) | ≥ 876( ≥ 12) | 366-390(46-49) | 80 ℃ |
| N50 | 1400-1450(14.0-14.5) | ≥ 796( ≥ 10.0) | ≥ 876( ≥ 11) | 382-406(48-51) | 60 ℃ |
| N52 | 1430-1480(14.3-14.8) | ≥ 796( ≥ 10.0) | ≥ 876( ≥ 11) | 398-422(50-53) | 60 ℃ |
| 30M | 1080-1130(10.8-11.3) | ≥ 796( ≥ 10.0) | ≥ 1114 ( ≥ 14) | 223-247(28-31) | 100 ℃ |
| 33M | 1130-1170(11.3-11.7) | ≥ 836( ≥ 10.5) | ≥ 1114( ≥ 14) | 247-263(31-33) | 100 ℃ |
| 35M | 1170-1220(11.7-12.2) | ≥ 868( ≥ 10.9) | ≥ 1114( ≥ 14) | 263-287(33-36) | 100 ℃ |
| 38M | 1220-1250(12.2-12.5) | ≥ 899( ≥ 11.3) | ≥ 1114( ≥ 14) | 287-310(36-39) | 100 ℃ |
| 40M | 1250-1280(12.5-12.8) | ≥ 923( ≥ 11.6) | ≥ 1114( ≥ 14) | 302-326(38-41) | 100 ℃ |
| 42M | 1280-1320(12.8-13.2) | ≥ 955( ≥ 12.0) | ≥ 1114( ≥ 14) | 318-342(40-43) | 100 ℃ |
| 45M | 1320-1380(13.2-13.8) | ≥ 995( ≥ 12.5) | ≥ 1114 ( ≥ 14) | 342-366 (43-46) | 100 ℃ |
| 48M | 1360-1430(13.6-14.3) | ≥ 1027( ≥ 12.9) | ≥ 1114( ≥ 14) | 366-390(46-49) | 100 ℃ |
| 50M | 1400-1450(14.0-14.5) | ≥ 1033 ( ≥ 13.0) | ≥ 1114( ≥ 14) | 382-406(48-51) | 100 ℃ |
| 30H | 1080-1130(10.8-11.3) | ≥ 796 ( ≥ 10.0) | ≥ 1353( ≥ 17) | 223-247(28-31) | 120 ℃ |
| 33H | 1130-1170(11.3-11.7) | ≥ 836 ( ≥ 10.5) | ≥ 1353( ≥ 17) | 247-271(31-34) | 120 ℃ |
| 35H | 1170-1220(11.7-12.2) | ≥ 868 ( ≥ 10.9) | ≥ 1353( ≥ 17) | 263-287(33-36) | 120 ℃ |
| 38H | 1220-1250(12.2-12.5) | ≥ 899 ( ≥ 11.3) | ≥ 1353 ( ≥ 17) | 287-310(36-39) | 120 ℃ |
| 40H | 1250-1280(12.5-12.8) | ≥ 923( ≥ 11.6) | ≥ 1353( ≥ 17) | 302-326(38-41) | 120 ℃ |
| 42H | 1280-1320(12.8-13.2) | ≥ 955 ( ≥ 12.0) | ≥ 1353( ≥ 17) | 318-342(40-43) | 120 ℃ |
| 45H | 1300-1360(13-13.6) | ≥ 963( ≥ 12.1) | ≥ 1353 ( ≥ 17) | 326-358(43-46) | 120 ℃ |
| 48H | 1370-1430(13.7-14.3) | ≥ 995( ≥ 12.5) | ≥ 1353( ≥ 17) | 366-390(46-49) | 120 ℃ |
| 30SH | 1080-1130(10.8-11.3) | ≥ 804( ≥ 10.1) | ≥ 1592( ≥ 20) | 223-247(28-31) | 150 ℃ |
| 33SH | 1130-1170(11.3-11.7) | ≥ 844( ≥ 10.6) | ≥ 1592( ≥ 20) | 247-271(31-34) | 150 ℃ |
| 35SH | 1170-1220(11.7-12.2) | ≥ 876 ( ≥ 11.0) | ≥ 1592( ≥ 20) | 263-287(33-36) | 150 ℃ |
| 38SH | 1220-1250(12.2-12.5) | ≥ 907( ≥ 11.4) | ≥ 1592( ≥ 20) | 287-310(36-39) | 150 ℃ |
| 40SH | 1240-1280(12.5-12.8) | ≥ 939( ≥ 11.8) | ≥ 1592( ≥ 20) | 302-326(38-41) | 150 ℃ |
| 42SH | 1280-1320(12.8-13.2) | ≥ 987 ( ≥ 12.4) | ≥ 1592 ( ≥ 20) | 318-342(40-43) | 150 ℃ |
| 45SH | 1320-1380(13.2-13.8) | ≥ 1003 ( ≥ 12.6) | ≥ 1592( ≥ 20) | 342-366 (43-46) | 150 ℃ |
| 28UH | 1020-1080 (10.2-10.8) | ≥ 764 ( ≥ 9.6) | ≥ 1990 ( ≥ 25) | 207-231(26-29) | 180 ℃ |
| 30UH | 1080-1130 (10.8-11.3) | ≥ 812( ≥ 10.2) | ≥ 1990( ≥ 25) | 223-247(28-31) | 180 ℃ |
| 33UH | 1130-1170(11.3-11.7) | ≥ 852( ≥ 10.7) | ≥ 1990 ( ≥ 25) | 247-271(31-34) | 180 ℃ |
| 35UH | 1180-1220 (11.8-12.2) | ≥ 860 ( ≥ 10.8) | ≥ 1990( ≥ 25) | 263-287(33-36) | 180 ℃ |
| 38UH | 1220-1250(12.2-12.5) | ≥ 876 ( ≥ 11.0) | ≥ 1990( ≥ 25) | 287-310(36-39) | 180 ℃ |
| 40UH | 1240-1280 (12.5-12.8) | ≥ 899( ≥ 11.3) | ≥ 1990( ≥ 25) | 302-326(38-41) | 180 ℃ |
| 28EH | 1040-1090(10.4-10.9) | ≥ 780( ≥ 9.8) | ≥ 2388( ≥ 30) | 207-231(26-29) | 200 ℃ |
| 30EH | 1080-1130 (10.8-11.3) | ≥ 812 ( ≥ 10.2) | ≥ 2388 ( ≥ 30) | 223-247 (28-31) | 200 ℃ |
| 33EH | 1130-1170(11.3-11.7) | ≥ 836 ( ≥ 10.5) | ≥ 2388 ( ≥ 30) | 247-271 (31-34) | 200 ℃ |
| 35EH | 1170-1220(11.7-12.2) | ≥ 876 ( ≥ 11.0) | ≥ 2388( ≥ 30) | 263-287(33-36) | 200 ℃ |
| 38EH | 1220-1250(12.2-12.5) | ≥ 899( ≥ 11.3) | ≥ 2388( ≥ 30) | 287-310(36-39) | 200 ℃ |
Bonded NdFeB
It’s compound of plastic, rubber and rare-earth materials,the shapes are formed by ways of Compressing,injecting,extruding and etc.It’s has high intrinsic coercive force and good magnetic consistency in mass production.It's Widely used in motor,computer and so on.
| Performance |
BNP-6 |
BNP-8L |
BNP-8 |
BNP-8SR |
BNP-8H |
BNP-9 |
BNP-10 |
BNP-11 |
BNP-11L |
BNP-12L |
| B r T(Gs) | 0.55-0.62 | 0.60-0.64 | 0.62-0.69 | 0.62-0.66 | 0.61-0.65 | 0.65-0.70 | 0.68-0.72 | 0.70-0.74 | 0.70-0.74 | 0.74-0.80 |
| H CB kA/m(kOe) | 285-370 (3.6-4.6) | 360-400 (4.5-5.0) | 385-445 (4.8-5.6) | 410-465 (5.2-5.8) | 410-455 (5.2-5.7) | 400-440 (5.0-5.5) | 420-470 (5.3-5.9) | 445-480 (5.6-6.0) | 400-440 (5.0-5.5) | 420-455 (5.3-5.7) |
| H CJ kA/m(kOe) | 600-755 (7.5-9.5) | 715-800 (9-10) | 640-800 (8-10) | 880-1120 (11-14) | 1190-1440 (15-18) | 640-800 (8-10) | 640-800 (8-10) | 680-800 (8.5-10) | 520-640 (6.5-8) | 520-600 (6.5-7.5) |
| (BH) max kJ/m 3 (MGOe) | 44-56 (5.5-7) | 56-64 ( 7.0-8.0 ) |
64-72 ( 8.0-9.0 ) |
64-72 ( 8.0-9.0 ) |
64-72 ( 8.0-9.0 ) |
70-76 ( 8.8-9.5 ) |
76-84 ( 9.5-10.5) |
80-88 (10.0-11.0) |
78-84 ( 9.8-10.5 ) |
84-92 ( 10.5-11.5 ) |
| D g/cm 3 | 5.5-6.1 | 5.6-6.1 | 5.8-6.1 | 5.8-6.1 | 5.9-6.2 | 5.8-6.1 | 5.8-6.1 | 5.8-6.1 | 5.8-6.1 | 5.8-6.1 |
| μ r | 1.15 | 1.15 | 1.15 | 1.13 | 1.15 | 1.22 | 1.22 | 1.22 | 1.26 | 1.26 |
| α( B r ) %/ ℃ | -0.13 | -0.13 | -0.13 | -0.13 | -0.07 | -0.12 | -0.11 | -0.11 | -0.11 | -0.08 |
| T w ℃ | 100 | 110 | 120 | 150 | 125 | 120 | 120 | 120 | 110 | 110 |
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1.The characteristics in this table are measured on standard test samples and not guaranteed values. | ||||||||||
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2.The above values depend on magnet shape and its dimensions. It is recommended that the figures be certified in actual products. | ||||||||||
