Automobile field is an important and intensive application field of NdFeB. In improving automobile comfort, controllability, energy saving, lightweight and intelligence, the magnet steel in automobile motor and parts plays an important role.38SH, 35UH,35UH, 33EH are commonly used in automobile field.
Specifications:
Magnetic steel in automobile motor field:
New energy vehicle motor: 38SH, 35UH, 38UH, 35EH, 38EH, 40EH,
EPS: 45H, 48H, 38SH, 40SH, 42SH, 48SH, 35UH
Oil pump motor: 33UH, 35UH
Active suspension motor: 42SH
Starting motor: 38UH
Sunroof motor: 35M, 38H,
Magnetic steel in sensor field:
ABS system sensor: 44H, 42SH
Camera sensor: 42SH, 33EH
Magnetic steel in other fields:
Generator: 38UH
Suspension system: 42SH
Ignition coil: 30UH, 33UH, 35UH, 33EH
Speaker: 38H, 40H
Gearbox: 38UH, 35EH
Magnetic properties of various grades of NdFeB materials
Grade | Br | Hcj | Hcb | (BH)max | D | αBr | αHcj | Tc | Tw | μrec | ||||
(L/D≥0.7) | ||||||||||||||
Gs | mT | Oe | KA/m | Oe | KA/m | MGOe | KJ/m3 | g/m3 | %/ ℃ | %/ ℃ | ℃ | ℃ | — | |
N42 | 12800~13300 | 1280~1330 | 12000 | 955 | 11600 | 923 | 40~43 | 318~342 | 7.5 | -0.12 | -0.6 | 320 | 80 | 1.05 |
N45 | 13300~13700 | 1330~1370 | 12000 | 955 | 11000 | 876 | 43~46 | 342~366 | 7.5 | -0.12 | -0.6 | 320 | 80 | 1.05 |
N48 | 13700~14200 | 1370~1420 | 12000 | 955 | 11200 | 892 | 46~49 | 366~390 | 7.5 | -0.12 | -0.6 | 320 | 80 | 1.05 |
N50 | 13900~14400 | 1390~1440 | 11000 | 876 | 10500 | 836 | 47~51 | 374~406 | 7.55 | -0.12 | -0.6 | 320 | 80 | 1.05 |
N52 | 14200~14700 | 1420~1470 | 11000 | 876 | 10500 | 836 | 49~53 | 390~422 | 7.55 | -0.12 | -0.6 | 320 | 80 | 1.05 |
N42M | 12800~13300 | 1280~1320 | 14000 | 1114 | 12000 | 955 | 40~43 | 318~342 | 7.5 | -0.12 | -0.6 | 320 | 100 | 1.05 |
N45M | 13300~13700 | 1330~1370 | 14000 | 1114 | 12500 | 995 | 43~46 | 342~366 | 7.5 | -0.12 | -0.6 | 320 | 100 | 1.05 |
N48M | 13600~14200 | 1360~1420 | 14000 | 1114 | 12800 | 1019 | 45~49 | 358~390 | 7.55 | -0.12 | -0.6 | 320 | 100 | 1.05 |
N50M | 13900~14400 | 1390~1440 | 14000 | 1114 | 13000 | 1035 | 47~51 | 374~406 | 7.55 | -0.12 | -0.6 | 320 | 100 | 1.05 |
N52M | 14200~14700 | 1420~1470 | 13000 | 1035 | 12500 | 995 | 49~53 | 390~422 | 7.55 | -0.12 | -0.6 | 320 | 100 | 1.05 |
N42H | 12800~13300 | 1280~1330 | 17000 | 1353 | 12000 | 955 | 40~43 | 318~342 | 7.55 | -0.12 | -0.6 | 320 | 120 | 1.05 |
N45H | 13300~13700 | 1330~1370 | 17000 | 1353 | 12100 | 963 | 43~46 | 342~366 | 7.55 | -0.12 | -0.6 | 320 | 120 | 1.05 |
N48H | 13600~14200 | 1360~1420 | 17000 | 1353 | 12900 | 1027 | 45~49 | 358~390 | 7.6 | -0.12 | -0.6 | 320 | 120 | 1.05 |
N50H | 13900~14400 | 1390~1440 | 16000 | 1274 | 13000 | 1035 | 47~51 | 374~406 | 7.6 | -0.12 | -0.6 | 320 | 120 | 1.05 |
N42SH | 12800~13200 | 1280~1320 | 20000 | 1592 | 12200 | 971 | 40~43 | 318~342 | 7.55 | -0.11 | -0.55 | 320 | 150 | 1.05 |
N45SH | 13200~13700 | 1320~1370 | 20000 | 1592 | 12300 | 979 | 43~46 | 342~366 | 7.6 | -0.11 | -0.55 | 320 | 150 | 1.05 |
N48SH | 13600~14200 | 1360~1420 | 19000 | 1512 | 12500 | 995 | 45~49 | 358~390 | 7.6 | -0.11 | -0.55 | 320 | 150 | 1.05 |
N28UH | 10200~10800 | 1020~1080 | 25000 | 1990 | 9600 | 764 | 26~29 | 207~231 | 7.5 | -0.1 | -0.51 | 320 | 180 | 1.05 |
N30UH | 10800~11300 | 1080~1130 | 25000 | 1990 | 10200 | 812 | 28~31 | 223~247 | 7.5 | -0.1 | -0.51 | 320 | 180 | 1.05 |
N33UH | 11300~11700 | 1130~1170 | 25000 | 1990 | 10700 | 852 | 31~34 | 247~271 | 7.55 | -0.1 | -0.51 | 320 | 180 | 1.05 |
N35UH | 11700~12200 | 1170~1220 | 25000 | 1990 | 10800 | 860 | 33~36 | 263~287 | 7.55 | -0.1 | -0.51 | 320 | 180 | 1.05 |
N38UH | 12200~12500 | 1220~1250 | 25000 | 1990 | 11000 | 876 | 36~39 | 287~310 | 7.6 | -0.1 | -0.48 | 320 | 180 | 1.05 |
N40UH | 12500~12800 | 1250~1280 | 25000 | 1990 | 11500 | 915 | 38~41 | 302~326 | 7.6 | -0.1 | -0.48 | 320 | 180 | 1.05 |
N42UH | 12700~13200 | 1270~1320 | 24000 | 1910 | 12200 | 971 | 39~43 | 310~342 | 7.6 | -0.1 | -0.48 | 320 | 180 | 1.05 |
N45UH | 13200~13700 | 1320~1370 | 24000 | 1910 | 12300 | 979 | 43~46 | 342~366 | 7.6 | -0.1 | -0.48 | 320 | 180 | 1.05 |
N28EH | 10400~10900 | 1040~1090 | 30000 | 2388 | 9800 | 780 | 26~29 | 207~231 | 7.6 | -0.09 | -0.48 | 320 | 200 | 1.05 |
N30EH | 10800~11300 | 1080~1130 | 30000 | 2388 | 10200 | 812 | 28~31 | 223~247 | 7.6 | -0.09 | -0.48 | 320 | 200 | 1.05 |
N33EH | 11300~11700 | 1130~1170 | 30000 | 2388 | 10300 | 820 | 31~34 | 247~271 | 7.6 | -0.09 | -0.48 | 320 | 200 | 1.05 |
N35EH | 11700~12200 | 1170~1220 | 30000 | 2388 | 10500 | 836 | 33~36 | 263~287 | 7.6 | -0.09 | -0.48 | 320 | 200 | 1.05 |
N38EH | 12000~12500 | 1200~1250 | 30000 | 2388 | 11500 | 915 | 35~39 | 279~310 | 7.6 | -0.09 | -0.48 | 320 | 200 | 1.05 |
N28AH | 10200~10900 | 1020~1090 | 34000 | 2706 | 9800 | 780 | 25~29 | 199~231 | 7.6 | -0.09 | -0.48 | 320 | 240 | 1.05 |
N30AH | 10700~11300 | 1070~1130 | 34000 | 2706 | 10200 | 812 | 27~31 | 215~247 | 7.6 | -0.09 | -0.48 | 320 | 240 | 1.05 |
N33AH | 11100~11700 | 1110~1170 | 34000 | 2706 | 10300 | 820 | 30~34 | 239~271 | 7.6 | -0.09 | -0.48 | 320 | 240 | 1.05 |
N35AH | 11700~12200 | 1170~1220 | 34000 | 2706 | 10500 | 836 | 32~36 | 255~287 | 7.6 | -0.09 | -0.48 | 320 | 240 | 1.05 |