China Motor Tile Type Magnetic Materials, Find details about China Ndfeb, Sintered Ndfeb Magnets from Motor Tile Type Magnetic Materials
| Magnetic properties of Sintered Neodymium Magnet (NdFeB magnet): | |||||
| Grade | Remanence | Coercive Force | Intrinsic Coercive Force | Max. energy product | Max. Operating Temperature |
| Br mT (kGs) | Hcb kA/m (kOe) | Hcj kA/m (kOe) | ( BH )max kJ/m 3 (MGOe) | Tw | |
| N35 | 1170-1220 (11.7-12.2) | ≥ 868 ( ≥ 10.9) | ≥ 955 ( ≥ 12) | 263-287 (33-36) | 80 deg |
| N38 | 1220-1250 (12.2-12.5) | ≥ 899 ( ≥ 11.3) | ≥ 955 ( ≥ 12) | 287-310 (36-39) | 80 deg |
| N40 | 1250-1280 (12.5-12.8) | ≥ 907 ( ≥ 11.4) | ≥ 955 ( ≥ 12) | 302-326 (38-41) | 80 deg |
| N42 | 1280-1320 (12.8-13.2) | ≥ 915 ( ≥ 11.5) | ≥ 955 ( ≥ 12) | 318-342 (40-43) | 80 deg |
| N45 | 1320-1380 (13.2-13.8) | ≥ 923 ( ≥ 11.6) | ≥ 955 ( ≥ 12) | 342-366 (43-46) | 80 deg |
| N48 | 1380-1420 (13.8-14.2) | ≥ 923 ( ≥ 11.6) | ≥ 876 ( ≥ 12) | 366-390 (46-49) | 80 deg |
| N50 | 1400-1450 (14.0-14.5) | ≥ 796 ( ≥ 10.0) | ≥ 876 ( ≥ 11) | 382-406 (48-51) | 60 deg |
| N52 | 1430-1480 (14.3-14.8) | ≥ 796 ( ≥ 10.0) | ≥ 876 ( ≥ 11) | 398-422 (50-53) | 60 deg |
| 30M | 1080-1130 (10.8-11.3) | ≥ 796 ( ≥ 10.0) | ≥ 1114 ( ≥ 14) | 223-247 (28-31) | 100 deg |
| 33M | 1130-1170 (11.3-11.7) | ≥ 836 ( ≥ 10.5) | ≥ 1114 ( ≥ 14) | 247-263 (31-33) | 100 deg |
| 35M | 1170-1220 (11.7-12.2) | ≥ 868 ( ≥ 10.9) | ≥ 1114 ( ≥ 14) | 263-287 (33-36) | 100 deg |
| 38M | 1220-1250 (12.2-12.5) | ≥ 899 ( ≥ 11.3) | ≥ 1114 ( ≥ 14) | 287-310 (36-39) | 100 deg |
| 40M | 1250-1280 (12.5-12.8) | ≥ 923 ( ≥ 11.6) | ≥ 1114 ( ≥ 14) | 302-326 (38-41) | 100 deg |
| 42M | 1280-1320 (12.8-13.2) | ≥ 955 ( ≥ 12.0) | ≥ 1114 ( ≥ 14) | 318-342 (40-43) | 100 deg |
| 45M | 1320-1380 (13.2-13.8) | ≥ 995 ( ≥ 12.5) | ≥ 1114 ( ≥ 14) | 342-366 (43-46) | 100 deg |
| 48M | 1360-1430 (13.6-14.3) | ≥ 1027 ( ≥ 12.9) | ≥ 1114 ( ≥ 14) | 366-390 (46-49) | 100 deg |
| 50M | 1400-1450 (14.0-14.5) | ≥ 1033 ( ≥ 13.0) | ≥ 1114 ( ≥ 14) | 382-406 (48-51) | 100 deg |
| 30H | 1080-1130 (10.8-11.3) | ≥ 796 ( ≥ 10.0) | ≥ 1353 ( ≥ 17) | 223-247 (28-31) | 120 deg |
| 33H | 1130-1170 (11.3-11.7) | ≥ 836 ( ≥ 10.5) | ≥ 1353 ( ≥ 17) | 247-271 (31-34) | 120 deg |
| 35H | 1170-1220 (11.7-12.2) | ≥ 868 ( ≥ 10.9) | ≥ 1353 ( ≥ 17) | 263-287 (33-36) | 120 deg |
| 38H | 1220-1250 (12.2-12.5) | ≥ 899 ( ≥ 11.3) | ≥ 1353 ( ≥ 17) | 287-310 (36-39) | 120 deg |
| 40H | 1250-1280 (12.5-12.8) | ≥ 923 ( ≥ 11.6) | ≥ 1353 ( ≥ 17) | 302-326 (38-41) | 120 deg |
| 42H | 1280-1320 (12.8-13.2) | ≥ 955 ( ≥ 12.0) | ≥ 1353 ( ≥ 17) | 318-342 (40-43) | 120 deg |
| 45H | 1300-1360 (13-13.6) | ≥ 963 ( ≥ 12.1) | ≥ 1353 ( ≥ 17) | 326-358 (43-46) | 120 deg |
| 48H | 1370-1430 (13.7-14.3) | ≥ 995 ( ≥ 12.5) | ≥ 1353 ( ≥ 17) | 366-390 (46-49) | 120 deg |
| 30SH | 1080-1130 (10.8-11.3) | ≥ 804 ( ≥ 10.1) | ≥ 1592 ( ≥ 20) | 223-247 (28-31) | 150 deg |
| 33SH | 1130-1170 (11.3-11.7) | ≥ 844 ( ≥ 10.6) | ≥ 1592 ( ≥ 20) | 247-271 (31-34) | 150 deg |
| 35SH | 1170-1220 (11.7-12.2) | ≥ 876 ( ≥ 11.0) | ≥ 1592 ( ≥ 20) | 263-287 (33-36) | 150 deg |
| 38SH | 1220-1250 (12.2-12.5) | ≥ 907 ( ≥ 11.4) | ≥ 1592 ( ≥ 20) | 287-310 (36-39) | 150 deg |
| 40SH | 1240-1280 (12.5-12.8) | ≥ 939 ( ≥ 11.8) | ≥ 1592 ( ≥ 20) | 302-326 (38-41) | 150 deg |
| 42SH | 1280-1320 (12.8-13.2) | ≥ 987 ( ≥ 12.4) | ≥ 1592 ( ≥ 20) | 318-342 (40-43) | 150 deg |
| 45SH | 1320-1380 (13.2-13.8) | ≥ 1003 ( ≥ 12.6) | ≥ 1592 ( ≥ 20) | 342-366 (43-46) | 150 deg |
| 28UH | 1020-1080 (10.2-10.8) | ≥ 764 ( ≥ 9.6) | ≥ 1990 ( ≥ 25) | 207-231 (26-29) | 180 deg |
| 30UH | 1080-1130 (10.8-11.3) | ≥ 812 ( ≥ 10.2) | ≥ 1990 ( ≥ 25) | 223-247 (28-31) | 180 deg |
| 33UH | 1130-1170 (11.3-11.7) | ≥ 852 ( ≥ 10.7) | ≥ 1990 ( ≥ 25) | 247-271 (31-34) | 180 deg |
| 35UH | 1180-1220 (11.8-12.2) | ≥ 860 ( ≥ 10.8) | ≥ 1990 ( ≥ 25) | 263-287 (33-36) | 180 deg |
| 38UH | 1220-1250 (12.2-12.5) | ≥ 876 ( ≥ 11.0) | ≥ 1990 ( ≥ 25) | 287-310 (36-39) | 180 deg |
| 40UH | 1240-1280 (12.5-12.8) | ≥ 899 ( ≥ 11.3) | ≥ 1990 ( ≥ 25) | 302-326 (38-41) | 180 deg |
| 28EH | 1040-1090 (10.4-10.9) | ≥ 780 ( ≥ 9.8) | ≥ 2388 ( ≥ 30) | 207-231 (26-29) | 200 deg |
| 30EH | 1080-1130 (10.8-11.3) | ≥ 812 ( ≥ 10.2) | ≥ 2388 ( ≥ 30) | 223-247 (28-31) | 200 deg |
| 33EH | 1130-1170 (11.3-11.7) | ≥ 836 ( ≥ 10.5) | ≥ 2388 ( ≥ 30) | 247-271 (31-34) | 200 deg |
| 35EH | 1170-1220 (11.7-12.2) | ≥ 876 ( ≥ 11.0) | ≥ 2388 ( ≥ 30) | 263-287 (33-36) | 200 deg |
| 38EH | 1220-1250 (12.2-12.5) | ≥ 899 ( ≥ 11.3) | ≥ 2388 ( ≥ 30) | 287-310 (36-39) | 200 deg |
| 30AH | 1080-1120 (10.8-11.2) | ≥ 812 ( ≥ 10.2) | ≥ 2785 ( ≥ 35) | 223-255 (28-32) | 220 deg |
| 33AH | 1120-1170 (11.2-11.7) | ≥ 812 ( ≥ 10.2) | ≥ 2785 ( ≥ 35) | 247-271 (31-34) | 220 deg |
| Physical and Mechanical Properties of Neodymium Magnet: | |||||
| Thermal Conductivity | 7.7 kcal/m-h-° C | ||||
| Young' s Modulus | 1.7 x 104 kg/mm2 | ||||
| Bending Strength | 24 kg/mm2 | ||||
| Compressive Strength | 80 kg/mm2 | ||||
| Electrical Resistivity | 160 µ -ohm-cm/cm2 | ||||
| Density | 7.4-7.55 g/cm3 | ||||
| Vickers Hardness | 500 - 600 | ||||
| Available coatings for sintered Neodymium Magnet (NdFeB magnet): | |||||
| Available Coatings: | |||||
| Surface | Coating | Thickness (Microns) | Color | Resistance | |
| Passivation | 1 | Silver Grey | Temporary Protection | ||
| Nickel | Ni+Ni | 10.0-20 | Bright Silver | Excellent against Humidity | |
| Ni+Cu+Ni | |||||
| Zinc | Zn | 8.0-20 | Bright Blue | Good Against Salt Spray | |
| C-Zn | Shinny Color | Excellent Against Salt Spray | |||
| Tin | Ni+Cu+Sn | 15-20 | Silver | Superior Against Humidity | |
| Gold | Ni+Cu+Au | 10.0-20 | Gold | Superior Against Humidity | |
| Copper | Ni+Cu | 10.0-20 | Gold | Temporary Protection | |
| Epoxy | Epoxy | 15-25 | Black, Red, Grey | Excellent Against Humidity & Salt Spray | |
| Ni+Cu+Epoxy | |||||
| Zn+Epoxy | |||||
| Chemical | Ni | 10.0-20 | Silver Grey | Excellent Against Humidity | |
| Parylene | Parylene | 5.0-20 | Grey | Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria. FDA Approved. | |