Qingdao Magnet Magnetic Material Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10 Million per day |
| Delivery Time | 15-25 days |
| Packaging Details | Iron Sheet Sheilding Packing, Wooden Carton, Customized Packing |
| Material | Sintered Neodymium Iron Boron, NdFeB Magnet,Rare Earth Permanent Magnetic Material |
| Type | Permanent Magnetic Material |
| Grade | N35-N54, M,H,SH,UH,ET,TH |
| Shape | Block, Cylinder, Ring, Arc, Thin Sheet, Disc, Complex Shape |
| Working Temp. | Max. 80 to 250℃ |
| Coating | Nickel, Zinc, Epoxy, Gold, Silver, Aluminum, Parylene, Everlube, Paint, Phosphating |
| Color | Silver |
| Application | Automotive, Mobile, Computuer, Generator, Motor, Sensor, Washing Machine |
| Size | Custimized Size |
| Tolerance | ±0.02mm |
| Brand Name | MGT |
| Model Number | MGT-Sintered NdFeB Magnet |
| Certification | ISO9001：2015 |
| Place of Origin | Shandong, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10 Million per day |
| Delivery Time | 15-25 days | Packaging Details | Iron Sheet Sheilding Packing, Wooden Carton, Customized Packing |
| Material | Sintered Neodymium Iron Boron, NdFeB Magnet,Rare Earth Permanent Magnetic Material | Type | Permanent Magnetic Material |
| Grade | N35-N54, M,H,SH,UH,ET,TH | Shape | Block, Cylinder, Ring, Arc, Thin Sheet, Disc, Complex Shape |
| Working Temp. | Max. 80 to 250℃ | Coating | Nickel, Zinc, Epoxy, Gold, Silver, Aluminum, Parylene, Everlube, Paint, Phosphating |
| Color | Silver | Application | Automotive, Mobile, Computuer, Generator, Motor, Sensor, Washing Machine |
| Size | Custimized Size | Tolerance | ±0.02mm |
| Brand Name | MGT | Model Number | MGT-Sintered NdFeB Magnet |
| Certification | ISO9001：2015 | Place of Origin | Shandong, China |
| High Light | MGT N54 Sintered NdFeB Magnet ，30×13.5×3 n54 ndfeb magnet ，30×13.5×3 n35 ndfeb magnet | ||
30×13.5×3 N35-N54 NdFeB Magnet Sintered Magnet
Introduction of Sintered NdFeB Magnets
Sintered NdFeB magnets, namely sintered NdFeB magnets, are permanent magnet materials based on NdFeB tetragonal crystal structure. Sintered NdFeB magnets were invented by Mr. Sagawa's team in the early 1980s, and they are manufactured by a powder metallurgy process.
Sintered NdFeB magnets contain three basic elements, neodymium, iron and boron. Neodymium element can be replaced by a part of other rare earth elements including praseodymium, dysprosium, terbium, cerium, etc. The iron element can be replaced with part of the cobalt element to improve the Curie temperature Tc, thermal stability and corrosion resistance of the magnet. In order to control the microstructure and microchemistry to meet the desired properties, it also adds some doping elements, including aluminum, copper, niobium, gallium, etc. For customized sintered NdFeB magnets, controlling the formulation is the basic method to obtain the desired magnet grade.
Due to its excellent magnetic properties (high remanence Br 1.1-1.5 T, moderately high coercivity Hcj 800-3000 kA/m^3 and high maximum energy product (BH)max 220-430 kJ/m^3) and Competitive cost, sintered NdFeB magnets are widely used in DC motors, servo motors, stepper/stepper motors, synchronous motors, linear motors, voice coil motors (VCM), wind turbines and generators, magnetic resonance imaging (MRI) ), electric power steering (EPS), magnetic separation, etc.
Magnetic Process
Magnetic Parameters
| QINGDAO MAGNET MAGNETIC MATERIAL CO.,LTD. Sintered NdFeB Magnet Performance Parameter | |||||||||||||
| Grade | Br(20℃) | Coercivity | BH(max)(20℃) | Temperature Coefficient | Density | Max.Working Temp. | ||||||||
| Br | Hcj | Hcb | BH(max) MGOe | T1-T2 | TK(Br) Reference | TK(Hcj) Reference | ρ Reference | Tmax Reference | ||||||
| T | KGs | kA/m | kOe | kA/m | kOe | kJ/m³ | MGOe | ℃ | ％/℃ | ％/℃ | g/cm³ | ℃ | ℉ | |
| N35 | 1.18-1.24 | 11.8-12.4 | ≥955 | ≥12 | ≥860 | ≥10.8 | 263-295 | 33-37 | 20-80 | -0.105 | -0.75 | 7.45 | 80 | 176 |
| N38 | 1.23-1.28 | 12.3-12.8 | ≥955 | ≥12 | ≥899 | ≥11.3 | 287-310 | 36-39 | 7.45 | 80 | 176 | |||
| N40 | 1.26-1.31 | 12.6-13.1 | ≥955 | ≥12 | ≥915 | ≥11.5 | 302-326 | 38-41 | 7.45 | 80 | 176 | |||
| N42 | 1.29-1.34 | 12.9-13.4 | ≥955 | ≥12 | ≥915 | ≥11.5 | 318-350 | 40-44 | 7.50 | 80 | 176 | |||
| N45 | 1.33-1.38 | 13.3-13.8 | ≥955 | ≥12 | ≥915 | ≥11.5 | 342-366 | 43-46 | 7.50 | 80 | 176 | |||
| N48 | 1.37-1.41 | 13.7-14.1 | ≥955 | ≥12 | ≥915 | ≥11.5 | 358-382 | 45-48 | 7.55 | 80 | 176 | |||
| N50 | 1.39-1.43 | 13.9-14.3 | ≥955 | ≥12 | ≥915 | ≥11.5 | 374-398 | 47-50 | 7.55 | 80 | 176 | |||
| N52 | 1.42-1.47 | 14.2-14.7 | ≥955 | ≥12 | ≥915 | ≥11.5 | 390-414 | 49-52 | 7.60 | 80 | 176 | |||
| N54 | 1.45-1.50 | 14.5-14.0 | ≥876 | ≥11 | ≥836 | ≥10.5 | 406-430 | 51-54 | 7.60 | 80 | 176 | |||
| 35M | 1.18-1.24 | 11.8-12.4 | ≥1114 | ≥14 | ≥868 | ≥10.9 | 263-295 | 33-37 | 20-100 | -0.105 | -0.70 | 7.45 | 100 | 212 |
| 38M | 1.23-1.28 | 12.3-12.8 | ≥1114 | ≥14 | ≥907 | ≥11.4 | 287-310 | 36-39 | 7.45 | 100 | 212 | |||
| 40M | 1.26-1.31 | 12.6-13.1 | ≥1114 | ≥14 | ≥931 | ≥11.7 | 302-326 | 38-41 | 7.50 | 100 | 212 | |||
| 42M | 1.29-1.34 | 12.9-13.4 | ≥1114 | ≥14 | ≥955 | ≥12.0 | 318-350 | 40-44 | 7.50 | 100 | 212 | |||
| 45M | 1.33-1.38 | 13.3-13.8 | ≥1114 | ≥14 | ≥987 | ≥12.4 | 342-366 | 43-46 | 7.55 | 100 | 212 | |||
| 48M | 1.37-1.41 | 13.7-14.1 | ≥1114 | ≥14 | ≥1019 | ≥12.8 | 358-382 | 45-48 | 7.55 | 100 | 212 | |||
| 50M | 1.39-1.43 | 13.9-14.3 | ≥1114 | ≥14 | ≥1035 | ≥13.0 | 374-398 | 47-50 | 7.60 | 100 | 212 | |||
| 52M | 1.42-1.47 | 14.2-14.7 | ≥1114 | ≥14 | ≥1059 | ≥13.3 | 390-414 | 49-52 | 7.60 | 100 | 212 | |||
| 54M* | 1.45-1.50 | 14.5-14.0 | ≥1114 | ≥14 | ≥1075 | ≥13.5 | 406-430 | 51-54 | 7.60 | 100 | 212 | |||
| 35H | 1.18-1.24 | 11.8-12.4 | ≥1353 | ≥17 | ≥876 | ≥11.0 | 263-295 | 33-37 | 20-120 | -0.105 | -0.60 | 7.45 | 120 | 248 |
| 38H | 1.23-1.28 | 12.3-12.8 | ≥1353 | ≥17 | ≥915 | ≥11.5 | 287-310 | 36-39 | 7.45 | 120 | 248 | |||
| 40H | 1.26-1.31 | 12.6-13.1 | ≥1353 | ≥17 | ≥939 | ≥11.8 | 302-326 | 38-41 | 7.50 | 120 | 248 | |||
| 42H | 1.29-1.34 | 12.9-13.4 | ≥1353 | ≥17 | ≥963 | ≥12.1 | 318-350 | 40-44 | 7.50 | 120 | 248 | |||
| 45H | 1.33-1.38 | 13.3-13.8 | ≥1353 | ≥17 | ≥995 | ≥12.5 | 342-366 | 43-46 | 7.55 | 120 | 248 | |||
| 48H | 1.37-1.41 | 13.7-14.1 | ≥1274 | ≥16 | ≥1027 | ≥12.9 | 358-382 | 45-48 | 7.55 | 120 | 248 | |||
| 50H | 1.39-1.43 | 13.9-14.3 | ≥1274 | ≥16 | ≥1043 | ≥13.1 | 374-398 | 47-50 | 7.60 | 120 | 248 | |||
| 52H* | 1.42-1.47 | 14.2-14.7 | ≥1274 | ≥16 | ≥1067 | ≥13.4 | 390-414 | 49-52 | 7.60 | 120 | 248 | |||
| 35SH | 1.18-1.24 | 11.8-12.4 | ≥1592 | ≥20 | ≥884 | ≥11.1 | 263-295 | 33-37 | 20-150 | -0.105 | -0.55 | 7.50 | 150 | 302 |
| 38SH | 1.23-1.28 | 12.3-12.8 | ≥1592 | ≥20 | ≥923 | ≥11.6 | 287-310 | 36-39 | 7.50 | 150 | 302 | |||
| 40SH | 1.26-1.31 | 12.6-13.1 | ≥1592 | ≥20 | ≥947 | ≥11.9 | 302-326 | 38-41 | 7.55 | 150 | 302 | |||
| 42SH | 1.29-1.34 | 12.9-13.4 | ≥1592 | ≥20 | ≥971 | ≥12.0 | 318-350 | 40-44 | 7.55 | 150 | 302 | |||
| 45SH | 1.33-1.38 | 13.3-13.8 | ≥1592 | ≥20 | ≥1003 | ≥12.6 | 342-366 | 43-46 | 7.60 | 150 | 302 | |||
| 48SH | 1.37-1.41 | 13.7-14.1 | ≥1592 | ≥20 | ≥1035 | ≥13.0 | 358-382 | 45-48 | 7.60 | 150 | 302 | |||
| 50SH | 1.39-1.43 | 13.9-14.3 | ≥1592 | ≥20 | ≥1051 | ≥13.2 | 374-398 | 47-50 | 7.60 | 150 | 302 | |||
| 52SH* | 1.42-1.47 | 14.2-14.7 | ≥1592 | ≥20 | ≥1075 | ≥13.3 | 390-414 | 49-52 | 7.60 | 150 | 302 | |||
| 30UH | 1.08-1.15 | 10.8-11.5 | ≥1990 | ≥25 | ≥812 | ≥10.2 | 223-255 | 28-32 | 20-180 | -0.115 | -0.45 | 7.55 | 180 | 356 |
| 33UH | 1.14-1.19 | 11.4-11.9 | ≥1990 | ≥25 | ≥860 | ≥10.8 | 247-271 | 31-34 | 7.55 | 180 | 356 | |||
| 35UH | 1.18-1.24 | 11.8-12.4 | ≥1990 | ≥25 | ≥892 | ≥11.2 | 263-295 | 33-37 | 7.55 | 180 | 356 | |||
| 38UH | 1.23-1.28 | 12.3-12.8 | ≥1990 | ≥25 | ≥931 | ≥11.7 | 287-310 | 36-39 | 7.60 | 180 | 356 | |||
| 40UH | 1.26-1.31 | 12.6-13.1 | ≥1990 | ≥25 | ≥955 | ≥12.0 | 302-326 | 38-41 | 7.60 | 180 | 356 | |||
| 42UH | 1.29-1.34 | 12.9-13.4 | ≥1990 | ≥25 | ≥979 | ≥12.3 | 318-350 | 40-44 | 7.60 | 180 | 356 | |||
| 45UH | 1.33-1.38 | 13.3-13.8 | ≥1990 | ≥25 | ≥1011 | ≥12.7 | 342-366 | 43-46 | 7.60 | 180 | 356 | |||
| 48UH* | 1.36-1.40 | 13.6-14.0 | ≥1990 | ≥25 | ≥1035 | ≥13.0 | 358-382 | 45-48 | 7.60 | 180 | 356 | |||
| 50UH* | 1.38-1.42 | 13.8-14.2 | ≥1990 | ≥25 | ≥1051 | ≥13.2 | 374-398 | 47-50 | 7.60 | 180 | 356 | |||
| 30EH | 1.08-1.15 | 10.8-11.5 | ≥2388 | ≥30 | ≥820 | ≥10.3 | 223-255 | 28-32 | 20-200 | -0.115 | -0.45 | 7.55 | 200 | 392 |
| 33EH | 1.14-1.19 | 11.4-11.9 | ≥2388 | ≥30 | ≥868 | ≥10.9 | 247-271 | 31-34 | 7.55 | 200 | 392 | |||
| 35EH | 1.18-1.24 | 11.8-12.4 | ≥2388 | ≥30 | ≥899 | ≥11.3 | 263-295 | 33-37 | 7.6 | 200 | 392 | |||
| 38EH | 1.22-1.26 | 12.2-12.6 | ≥2388 | ≥30 | ≥931 | ≥11.7 | 287-310 | 36-39 | 7.6 | 200 | 392 | |||
| 40EH | 1.25-1.29 | 12.6-13.1 | ≥2388 | ≥30 | ≥955 | ≥12.0 | 302-326 | 38-41 | 7.65 | 200 | 392 | |||
| 42EH* | 1.28-1.32 | 12.8-13.2 | ≥2388 | ≥30 | ≥979 | ≥12.3 | 318-350 | 40-44 | 7.65 | 200 | 392 | |||
| 45EH* | 1.32-1.37 | 13.2-13.7 | ≥2388 | ≥30 | ≥1011 | ≥12.7 | 342-366 | 43-46 | 7.65 | 200 | 392 | |||
| 48EH* | 1.36-1.40 | 13.6-14.0 | ≥2388 | ≥30 | ≥1035 | ≥13.0 | 358-382 | 45-48 | 7.65 | 200 | 392 | |||
| 30TH | 1.08-1.15 | 10.8-11.5 | ≥2786 | ≥35 | ≥820 | ≥10.3 | 223-255 | 28-32 | 20-250 | -0.115 | -0.40 | 7.6 | 250 | 482 |
| 33TH | 1.14-1.19 | 11.4-11.9 | ≥2786 | ≥35 | ≥868 | ≥10.9 | 247-271 | 31-34 | 7.6 | 250 | 482 | |||
| 35EH | 1.18-1.24 | 11.8-12.4 | ≥2786 | ≥35 | ≥899 | ≥11.3 | 263-295 | 33-37 | 7.65 | 250 | 482 | |||
| 38EH | 1.22-1.26 | 12.2-12.6 | ≥2786 | ≥35 | ≥931 | ≥11.7 | 287-310 | 36-39 | 7.65 | 250 | 482 | |||
| 40EH* | 1.25-1.29 | 12.6-13.1 | ≥2786 | ≥35 | ≥955 | ≥12.0 | 302-326 | 38-41 | 7.65 | 250 | 482 | |||
| Note: Grades with *marked apply special processes. | ||||||||||||||
Maximum operating temperature
Although the Curie temperature of NdFeB materials is around 310 ºC for 0% cobalt and higher than 370 ºC for 5% cobalt, some irreversible output loss may occur even at moderate temperatures. The new magnets also have a moderately high reversible temperature coefficient of induction, with the total magnetic output decreasing with increasing temperature. The choice of neodymium magnets over SmCo is a function of the maximum temperature of the application, the desired magnetic output at typical operating temperatures, and the total system cost.
The new magnet also has some limitations due to its corrosive behavior. In wet environments, a protective coating or electroplating is strongly recommended. Coatings that have been successfully applied include: electronic coatings, powder coatings, nickel plating, zinc plating, parylene, and combinations of these coatings.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2014
Total Annual:
3000000-4000000
Employee Number:
5~20
Ecer Certification：
Active Member
The company was established in 2014 and its registered address is Qingdao, China The company's main products are: Rare earth metals, Rare earth magnetic powder, Rare earth NdFeB Compound, Rare earth Samarium-Iron-Nitrogen Compound, Various magnetic materials: Bonded NdFeB Magnets,Injec... The company was established in 2014 and its registered address is Qingdao, China The company's main products are: Rare earth metals, Rare earth magnetic powder, Rare earth NdFeB Compound, Rare earth Samarium-Iron-Nitrogen Compound, Various magnetic materials: Bonded NdFeB Magnets,Injec...
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