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| Customization: | Available |
|---|---|
| Application: | Electronic Products, Industrial Magnet, Motor Magnet |
| Shape: | Arc |
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| DESCRIPTION: | |
| Materials Introduction: | Assembly easily, installation of one rings than gluing arcs into place, simple and quick and good performance of dynamic balance. Be straight or skewed magnetized after assembly, provide a possibility of unique design by truly different magnetic circuit. |
| Customized Shapes: |
Cylinder, Rod , Disc, Button, Bar, Ring |
| Grade: | N30~N50,N35M~N50M,N33H~N50H,N30SH~N45SH, N28UH~N42UH |
| Surface Treatment: | Nickel(NICUNI), Zinc(ZN), Phosphorus(P), Epoxy(NICU+EP, NICUNI+EP,P+EP), Aluminum Matrix Composites |
| Characteristics: | Good coercivity, Good temperature stability, Corrosion protection, Rust prevention and High temperature resistance |
| Selling point: | High power density, reliable stability extend the motor's lifespan and enhance the overall performance of the motor. |
| Quality System: | IATF 16949:2016, ISO 45001:2018, ISO 14001:2015, ISO 9001:2015, SA 8000:2014, RoHS, REACH |
| Manufacturer: | Ningbo Zhaobao Magnet Co., Ltd. |

Magnet Grades
| Properties | Remanence | Coercive Force |
Intrinsic Coercive
Force |
Maximum Energy Product | Working Temp. | |||||||||||
Unit NO. Grade |
Br | Hcb | Hcj | (BH) max | ||||||||||||
| kGs | T | kOe | kA/m |
kOe
|
kA/m
|
MGOe | kJ/m3 | B/μ0H=-2 | ||||||||
| Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | ºC | ||||
| 01 | N30 | 10.9 | 10.6 | 1.09 | 1.06 | 10.5 | 10.0 | 836 | 796 | ≥12 | ≥955 | 30 | 28 | 239 | 223 | ≤80 |
| 02 | N35 | 12.0 | 11.7 | 1.20 | 1.17 | 11.3 | 10.8 | 900 | 860 | ≥12 | ≥955 | 35 | 33 | 279 | 263 | ≤80 |
| 03 | N38 | 12.6 | 12.2 | 1.26 | 1.22 | 11.5 | 11.3 | 915 | 899 | ≥12 | ≥955 | 38 | 36 | 303 | 287 | ≤80 |
| 04 | N40 | 12.9 | 12.6 | 1.29 | 1.26 | 11.6 | 11.4 | 924 | 907 | ≥12 | ≥955 | 40 | 38 | 318 | 303 | ≤80 |
| 05 | N42 | 13.1 | 12.9 | 1.31 | 1.29 | 11.8 | 11.5 | 939 | 915 | ≥12 | ≥955 | 42 | 40 | 342 | 326 | ≤80 |
| 06 | N45 | 13.6 | 13.3 | 1.36 | 1.33 | 12.0 | 11.6 | 955 | 923 | ≥12 | ≥955 | 45 | 43 | 358 | 342 | ≤80 |
| 07 | N48 | 14.0 | 13.8 | 1.40 | 1.38 | 10.8 | 10.2 | 860 | 810 | ≥12 | ≥955 | 48 | 46 | 383 | 367 | ≤80 |
| 08 | N50 | 14.3 | 14.1 | 1.43 | 1.41 | 10.8 | 10.0 | 860 | 794 | ≥12 | ≥955 | 50 | 48 | 398 | 383 | ≤80 |
| 09 | N52 | 14.5 | 14.2 | 1.45 | 1.42 | 10.8 | 10.0 | 860 | 794 | ≥11 | ≥875 | 52 | 50 | 414 | 398 | ≤80 |
| 10 | N54 | 14.7 | 14.5 | 1.47 | 1.45 | 10.8 | 10.5 | 860 | 836 | ≥11 | ≥875 | 53 | 51 | 422 | 406 | ≤80 |
| 11 | N55 | 14.7 | 14.4 | 1.47 | 1.44 | 10.8 | 10.0 | 860 | 794 | ≥11 | ≥875 | 54 | 52 | 430 | 414 | ≤70 |
| 12 | N56 | 14.8 | 14.7 | 1.48 | 1.47 | 10.8 | 10.5 | 860 | 836 | ≥10.5 | ≥836 | 54 | 52 | 438 | 422 | ≤70 |
| 13 | N30M | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 10.0 | 836 | 794 | ≥14 | ≥1114 | 28 | 28 | 239 | 223 | ≤100 |
| 14 | N35M | 12.0 | 11.7 | 1.20 | 1.17 | 11.3 | 10.8 | 900 | 860 | ≥14 | ≥1114 | 33 | 33 | 279 | 263 | ≤100 |
| 15 | N38M | 12.6 | 12.2 | 1.26 | 1.22 | 11.8 | 11.3 | 939 | 860 | ≥14 | ≥1114 | 36 | 36 | 303 | 287 | ≤100 |
| 16 | N40M | 12.9 | 12.6 | 1.29 | 1.26 | 12.0 | 11.4 | 955 | 907 | ≥14 | ≥1114 | 38 | 38 | 318 | 303 | ≤100 |
| 17 | N42M | 13.2 | 12.9 | 1.32 | 1.29 | 12.4 | 11.5 | 987 | 915 | ≥14 | ≥1114 | 40 | 40 | 342 | 326 | ≤100 |
| 18 | N45M | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 11.6 | 1003 | 923 | ≥14 | ≥1114 | 45 | 43 | 358 | 342 | ≤100 |
| 19 | N48M | 14.0 | 13.7 | 1.40 | 1.37 | 13.3 | 10.2 | 1059 | 812 | ≥14 | ≥1114 | 48 | 46 | 383 | 367 | ≤100 |
| 20 | N50M | 14.3 | 13.9 | 1.43 | 1.39 | 13.5 | 10.0 | 1074 | 796 | ≥14 | ≥1114 | 50 | 48 | 398 | 383 | ≤100 |
| 21 | N52M | 14.5 | 14.2 | 1.45 | 1.42 | 13.6 | 10.0 | 1082 | 796 | ≥13 | ≥1114 | 52 | 50 | 414 | 398 | ≤100 |
| 22 | N54M | 14.6 | 14.4 | 1.46 | 1.44 | 13.7 | 12.0 | 1090 | 955 | ≥13 | ≥1035 | 53 | 51 | 422 | 406 | ≤90 |
| 23 | N30H | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 10.0 | 836 | 794 | ≥17 | ≥1353 | 30 | 28 | 239 | 223 | ≤120 |
| 24 | N33H | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.5 | 876 | 836 | ≥17 | ≥1353 | 33 | 31 | 263 | 247 | ≤120 |
| 25 | N35H | 12.0 | 11.7 | 1.20 | 1.17 | 11.3 | 10.8 | 900 | 860 | ≥17 | ≥1353 | 35 | 33 | 279 | 263 | ≤120 |
| 26 | N38H | 12.6 | 12.2 | 1.26 | 1.22 | 11.8 | 11.3 | 939 | 899 | ≥17 | ≥1353 | 38 | 36 | 303 | 287 | ≤120 |
| 27 | N40H | 12.8 | 12.6 | 1.28 | 1.26 | 12.0 | 11.4 | 955 | 907 | ≥17 | ≥1353 | 40 | 38 | 318 | 303 | ≤120 |
| 28 | N42H | 13.0 | 12.8 | 1.30 | 1.28 | 12.4 | 11.5 | 987 | 915 | ≥17 | ≥1353 | 42 | 40 | 342 | 326 | ≤120 |
| 29 | N45H | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 11.6 | 1003 | 923 | ≥17 | ≥1353 | 45 | 43 | 358 | 342 | ≤120 |
| 30 | N48H | 14.0 | 13.7 | 1.40 | 1.37 | 13.3 | 10.2 | 1059 | 812 | ≥17 | ≥1274 | 48 | 46 | 383 | 366 | ≤120 |
| 31 | N50H | 14.3 | 13.9 | 1.43 | 1.39 | 13.5 | 10.0 | 1074 | 796 | ≥16 | ≥1274 | 50 | 48 | 398 | 382 | ≤120 |
| 32 | N52H | 14.5 | 14.2 | 1.45 | 1.42 | 13.6 | 10.0 | 1082 | 796 | ≥16 | ≥1274 | 52 | 50 | 414 | 398 | ≤120 |
| 33 | N54H | 14.6 | 14.4 | 1.46 | 1.44 | 13.7 | 10.0 | 1090 | 796 | ≥16 | ≥1274 | 53 | 51 | 422 | 406 | ≤110 |
| 34 | N30SH | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 10.0 | 836 | 796 | ≥20 | ≥1592 | 30 | 28 | 239 | 223 | ≤150 |
| 35 | N33SH | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.6 | 876 | 844 | ≥20 | ≥1592 | 33 | 31 | 263 | 247 | ≤150 |
| 36 | N35SH | 12.0 | 11.7 | 1.20 | 1.17 | 11.3 | 11.0 | 900 | 876 | ≥20 | ≥1592 | 35 | 33 | 279 | 263 | ≤150 |
| 37 | N37SH | 12.3 | 12.0 | 1.23 | 1.20 | 11.5 | 11.1 | 915 | 884 | ≥20 | ≥1592 | 37 | 35 | 295 | 279 | ≤150 |
| 38 | N38SH | 12.5 | 12.2 | 1.25 | 1.22 | 11.8 | 11.3 | 939 | 899 | ≥20 | ≥1592 | 38 | 36 | 303 | 287 | ≤150 |
| 39 | N40SH | 12.7 | 12.5 | 1.27 | 1.25 | 12.1 | 11.4 | 963 | 907 | ≥20 | ≥1592 | 40 | 38 | 318 | 303 | ≤150 |
| 40 | N42SH | 13.0 | 12.8 | 1.30 | 1.28 | 12.4 | 11.5 | 987 | 915 | ≥20 | ≥1592 | 42 | 40 | 342 | 326 | ≤150 |
| 41 | N45SH | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 11.6 | 1003 | 923 | ≥20 | ≥1592 | 45 | 43 | 358 | 342 | ≤150 |
| 42 | N48SH | 14.0 | 13.7 | 1.40 | 1.37 | 13.3 | 10.2 | 1059 | 812 | ≥19 | ≥1512 | 48 | 46 | 383 | 366 | ≤150 |
| 43 | N50SH | 14.2 | 13.9 | 1.42 | 1.39 | 13.5 | 10.0 | 1074 | 796 | ≥19 | ≥1512 | 50 | 48 | 398 | 382 | ≤150 |
| 44 | N52SH | 14.4 | 14.2 | 1.44 | 1.42 | 13.6 | 11.8 | 1081 | 939 | ≥19 | ≥1512 | 52 | 50 | 414 | 398 | ≤140 |
| 45 | N54SH | 14.5 | 14.3 | 1.45 | 1.43 | 13.7 | 11.8 | 1092 | 939 | ≥19 | ≥1512 | 53 | 51 | 422 | 406 | ≤140 |
| 46 | N25UH | 10.0 | 9.6 | 1.00 | 0.96 | 9.6 | 9.2 | 764 | 732 | ≥25 | ≥1990 | 25 | 22 | 199 | 175 | ≤180 |
| 47 | N28UH | 10.8 | 10.4 | 1.08 | 1.04 | 10.2 | 9.8 | 812 | 780 | ≥25 | ≥1990 | 28 | 26 | 223 | 207 | ≤180 |
| 48 | N30UH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.1 | 844 | 796 | ≥25 | ≥1990 | 30 | 28 | 239 | 223 | ≤180 |
| 49 | N33UH | 11.5 | 11.3 | 1.15 | 1.13 | 11.0 | 10.6 | 876 | 844 | ≥25 | ≥1990 | 33 | 31 | 263 | 247 | ≤180 |
| 50 | N35UH | 11.9 | 11.7 | 1.19 | 1.17 | 11.3 | 11.0 | 900 | 860 | ≥25 | ≥1990 | 35 | 33 | 279 | 263 | ≤180 |
| 51 | N38UH | 12.5 | 12.2 | 1.25 | 1.22 | 11.8 | 11.4 | 939 | 899 | ≥25 | ≥1990 | 38 | 36 | 303 | 287 | ≤180 |
| 52 | N40UH | 12.7 | 12.5 | 1.27 | 1.25 | 12.2 | 11.8 | 971 | 907 | ≥25 | ≥1990 | 40 | 38 | 318 | 303 | ≤180 |
| 53 | N42UH | 13.0 | 12.8 | 1.30 | 1.28 | 12.4 | 12.0 | 987 | 915 | ≥25 | ≥1990 | 42 | 40 | 338 | 318 | ≤180 |
| 54 | N45UH | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 12.2 | 1003 | 923 | ≥24 | ≥1911 | 45 | 43 | 358 | 342 | ≤180 |
| 55 | N48UH | 14.0 | 13.7 | 1.40 | 1.37 | 13.3 | 12.9 | 1059 | 812 | ≥24 | ≥1910 | 48 | 46 | 383 | 367 | ≤180 |
| 56 | N50UH | 14.2 | 13.9 | 1.42 | 1.39 | 13.5 | 13.1 | 1074 | 796 | ≥24 | ≥1910 | 50 | 48 | 398 | 383 | ≤180 |
| 57 | N52UH | 14.3 | 14.1 | 1.43 | 1.41 | 13.8 | 11.8 | 1080 | 939 | ≥24 | ≥1910 | 52 | 50 | 410 | 398 | ≤170 |
| 58 | N54UH | 14.5 | 14.3 | 1.45 | 1.43 | 14.1 | 11.8 | 1091 | 939 | ≥24 | ≥1910 | 53 | 51 | 422 | 406 | ≤170 |
| 59 | N28EH | 10.8 | 10.4 | 1.08 | 1.04 | 10.4 | 9.5 | 811 | 756 | ≥30 | ≥2388 | 28 | 26 | 223 | 207 | ≤200 |
| 60 | N30EH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.0 | 844 | 796 | ≥30 | ≥2388 | 30 | 28 | 239 | 223 | ≤200 |
| 61 | N33EH | 11.5 | 11.3 | 1.15 | 1.13 | 11.0 | 10.6 | 876 | 844 | ≥30 | ≥2388 | 33 | 31 | 263 | 247 | ≤200 |
| 62 | N35EH | 11.9 | 11.7 | 1.19 | 1.17 | 11.3 | 10.8 | 900 | 860 | ≥30 | ≥2388 | 35 | 33 | 279 | 263 | ≤200 |
| 63 | N38EH | 12.4 | 12.2 | 1.24 | 1.22 | 11.8 | 11.3 | 939 | 899 | ≥30 | ≥2388 | 38 | 36 | 303 | 287 | ≤200 |
| 64 | N40EH | 12.7 | 12.4 | 1.27 | 1.24 | 12.2 | 11.8 | 971 | 939 | ≥30 | ≥2388 | 40 | 38 | 318 | 303 | ≤200 |
| 65 | N42EH | 13.0 | 12.8 | 1.30 | 1.28 | 12.4 | 11.5 | 987 | 915 | ≥29 | ≥2308 | 42 | 40 | 338 | 318 | ≤200 |
| 66 | N45EH | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 11.6 | 1003 | 923 | ≥29 | ≥2308 | 45 | 43 | 358 | 342 | ≤190 |
| 67 | N48EH | 14.0 | 13.7 | 1.40 | 1.37 | 13.0 | 10.2 | 1035 | 812 | ≥29 | ≥2308 | 48 | 46 | 383 | 367 | ≤190 |
| 68 | N28AH | 10.8 | 10.4 | 1.08 | 1.04 | 10.4 | 9.5 | 811 | 756 | ≥35 | ≥2786 | 28 | 26 | 223 | 207 | ≤220 |
| 69 | N30AH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.0 | 844 | 796 | ≥35 | ≥2786 | 30 | 28 | 239 | 223 | ≤220 |
| 70 | N33AH | 11.5 | 11.2 | 1.15 | 1.12 | 11.0 | 10.6 | 876 | 844 | ≥35 | ≥2786 | 33 | 31 | 263 | 247 | ≤220 |
| 71 | N35AH | 11.9 | 11.7 | 1.19 | 1.17 | 11.5 | 10.8 | 915 | 860 | ≥35 | ≥2786 | 35 | 33 | 279 | 263 | ≤220 |
| 72 | N38AH | 12.4 | 12.2 | 1.24 | 1.22 | 11.8 | 11.3 | 939 | 899 | ≥35 | ≥2786 | 37 | 35 | 294 | 279 | ≤220 |
| 73 | N40AH | 12.6 | 12.4 | 1.26 | 1.24 | 12.1 | 11.4 | 971 | 907 | ≥35 | ≥2786 | 39 | 37 | 310 | 294 | ≤220 |
| 74 | N42AH | 13.0 | 12.8 | 1.30 | 1.28 | 12.4 | 11.5 | 987 | 915 | ≥35 | ≥2786 | 42 | 40 | 334 | 318 | ≤210 |
| 75 | N45AH | 13.5 | 13.3 | 1.35 | 1.33 | 12.6 | 11.6 | 1003 | 923 | ≥35 | ≥2786 | 45 | 43 | 358 | 342 | ≤210 |
| 76 | N28TH | 10.8 | 10.4 | 1.08 | 1.04 | 10.4 | 9.2 | 811 | 732 | ≥40 | ≥3184 | 28 | 26 | 223 | 207 | ≤240 |
| 77 | N30TH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.0 | 844 | 796 | ≥40 | ≥3184 | 30 | 28 | 239 | 223 | ≤240 |
| 78 | N33TH | 11.5 | 11.3 | 1.15 | 1.13 | 11.0 | 10.6 | 876 | 844 | ≥40 | ≥3184 | 33 | 31 | 263 | 247 | ≤240 |
| 79 | N35TH | 11.9 | 11.7 | 1.19 | 1.17 | 11.5 | 10.8 | 915 | 860 | ≥40 | ≥3184 | 35 | 33 | 279 | 263 | ≤240 |
| 80 | N38TH | 12.4 | 12.2 | 1.24 | 1.22 | 11.8 | 11.3 | 939 | 899 | ≥40 | ≥3184 | 37 | 35 | 294 | 279 | ≤240 |
| 81 | N40TH | 12.7 | 12.4 | 1.27 | 1.24 | 12.1 | 11.4 | 971 | 907 | ≥40 | ≥3184 | 39 | 37 | 310 | 294 | ≤240 |
| 82 | N42TH | 12.9 | 12.7 | 1.29 | 1.27 | 12.4 | 11.4 | 982 | 907 | ≥40 | ≥3184 | 41 | 39 | 310 | 294 | ≤230 |
| 83 | N28RH | 10.8 | 10.4 | 1.08 | 1.04 | 10.4 | 9.2 | 811 | 732 | ≥45 | ≥3582 | 28 | 26 | 223 | 207 | ≤260 |
| 84 | N30RH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.0 | 844 | 796 | ≥45 | ≥3582 | 30 | 28 | 239 | 223 | ≤260 |
| 85 | N33RH | 11.5 | 11.3 | 1.15 | 1.13 | 11.0 | 10.6 | 876 | 844 | ≥45 | ≥3582 | 33 | 31 | 263 | 247 | ≤260 |
| 86 | N35RH | 11.9 | 11.7 | 1.19 | 1.17 | 11.5 | 10.8 | 915 | 860 | ≥45 | ≥3582 | 35 | 33 | 279 | 263 | ≤260 |
| 87 | N38RH | 12.2 | 12.0 | 1.22 | 1.20 | 12.0 | 10.8 | 980 | 860 | ≥45 | ≥3582 | 37 | 35 | 303 | 278 | ≤250 |
| 88 | N40RH | 12.5 | 12.3 | 1.25 | 1.23 | 12.4 | 10.8 | 988 | 860 | ≥45 | ≥3582 | 39 | 37 | 319 | 294 | ≤250 |

95% of our magnets are used in Industrial Automation, Automotive Industry, Clean Energy and other High-end Applications, especially in energy-efficient permanent magnet motors and generators, such as Elevator Motor ( Escalator Motor, Gearless Traction Machine ), Servo Motor, New Energy Vehicles Drive Motor, Compressor Motor, High Speed Motor, Explosion-proof Motor, Wind Power Generators, Water Power Generators, Solar Pumps, Sensors, Magnetic Separator and other fields.
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