Ningbo Keke Magnet Industry Co., Ltd.  

Product Name: Yuyao Keke Special Magnetizer Model NO.: N40 Grade: N35-N54-36H Coating: Zinc Shape: Block Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet Size: Acceptable Custom Color: Bright Application Field: Pneumatic Component Type: Permanent Composition: NdFeB Magnet Trademark: COCO Transport Package: According to Your Request Specification: RoHs Origin: Zhejiang Ningbo China HS Code: 3352968184 Product Description Product Name: Yuyao keke special magnetizer for saleMagnets grade: N40Magnets size: As the drawingMagnets coating: Zn, .Quantities: More mass order quantities. More Lower the prices.Original factory.If you haven't been able to find your desired size or strength in our website?We can send you a price quotation for exactly the magnet you wishTell us which features you desire in a magnet and the quantity you will require.You will receive our price quotation via e-mail within a day.We hope to cooperate with you. Thank you.Magnetic properties of Sintered Neodymium Magnet (NdFeB magnet):GradeRemanenceCoercive ForceIntrinsic Coercive ForceMax. energy productMax. Operating TemperatureBr mT (kGs)Hcb kA/m (kOe)Hcj kA/m (kOe)( BH )max kJ/m 3 (MGOe)TwN351170-1220 (11.7-12.2)≥ 868 ( ≥ 10.9)≥ 955 ( ≥ 12)263-287 (33-36)80 degN381220-1250 (12.2-12.5)≥ 899 ( ≥ 11.3)≥ 955 ( ≥ 12)287-310 (36-39)80 degN401250-1280 (12.5-12.8)≥ 907 ( ≥ 11.4)≥ 955 ( ≥ 12)302-326 (38-41)80 degN421280-1320 (12.8-13.2)≥ 915 ( ≥ 11.5)≥ 955 ( ≥ 12)318-342 (40-43)80 degN451320-1380 (13.2-13.8)≥ 923 ( ≥ 11.6)≥ 955 ( ≥ 12)342-366 (43-46)80 degN481380-1420 (13.8-14.2)≥ 923 ( ≥ 11.6)≥ 876 ( ≥ 12)366-390 (46-49)80 degN501400-1450 (14.0-14.5)≥ 796 ( ≥ 10.0)≥ 876 ( ≥ 11)382-406 (48-51)60 degN521430-1480 (14.3-14.8)≥ 796 ( ≥ 10.0)≥ 876 ( ≥ 11)398-422 (50-53)60 deg30M1080-1130 (10.8-11.3)≥ 796 ( ≥ 10.0)≥ 1114 ( ≥ 14)223-247 (28-31)100 deg33M1130-1170 (11.3-11.7)≥ 836 ( ≥ 10.5)≥ 1114 ( ≥ 14)247-263 (31-33)100 deg35M1170-1220 (11.7-12.2)≥ 868 ( ≥ 10.9)≥ 1114 ( ≥ 14)263-287 (33-36)100 deg38M1220-1250 (12.2-12.5)≥ 899 ( ≥ 11.3)≥ 1114 ( ≥ 14)287-310 (36-39)100 deg40M1250-1280 (12.5-12.8)≥ 923 ( ≥ 11.6)≥ 1114 ( ≥ 14)302-326 (38-41)100 deg42M1280-1320 (12.8-13.2)≥ 955 ( ≥ 12.0)≥ 1114 ( ≥ 14)318-342 (40-43)100 deg45M1320-1380 (13.2-13.8)≥ 995 ( ≥ 12.5)≥ 1114 ( ≥ 14)342-366 (43-46)100 deg48M1360-1430 (13.6-14.3)≥ 1027 ( ≥ 12.9)≥ 1114 ( ≥ 14)366-390 (46-49)100 deg50M1400-1450 (14.0-14.5)≥ 1033 ( ≥ 13.0)≥ 1114 ( ≥ 14)382-406 (48-51)100 deg30H1080-1130 (10.8-11.3)≥ 796 ( ≥ 10.0)≥ 1353 ( ≥ 17)223-247 (28-31)120 deg33H1130-1170 (11.3-11.7)≥ 836 ( ≥ 10.5)≥ 1353 ( ≥ 17)247-271 (31-34)120 deg35H1170-1220 (11.7-12.2)≥ 868 ( ≥ 10.9)≥ 1353 ( ≥ 17)263-287 (33-36)120 deg38H1220-1250 (12.2-12.5)≥ 899 ( ≥ 11.3)≥ 1353 ( ≥ 17)287-310 (36-39)120 deg40H1250-1280 (12.5-12.8)≥ 923 ( ≥ 11.6)≥ 1353 ( ≥ 17)302-326 (38-41)120 deg42H1280-1320 (12.8-13.2)≥ 955 ( ≥ 12.0)≥ 1353 ( ≥ 17)318-342 (40-43)120 deg45H1300-1360 (13-13.6)≥ 963 ( ≥ 12.1)≥ 1353 ( ≥ 17)326-358 (43-46)120 deg48H1370-1430 (13.7-14.3)≥ 995 ( ≥ 12.5)≥ 1353 ( ≥ 17)366-390 (46-49)120 deg30SH1080-1130 (10.8-11.3)≥ 804 ( ≥ 10.1)≥ 1592 ( ≥ 20)223-247 (28-31)150 deg33SH1130-1170 (11.3-11.7)≥ 844 ( ≥ 10.6)≥ 1592 ( ≥ 20)247-271 (31-34)150 deg35SH1170-1220 (11.7-12.2)≥ 876 ( ≥ 11.0)≥ 1592 ( ≥ 20)263-287 (33-36)150 deg38SH1220-1250 (12.2-12.5)≥ 907 ( ≥ 11.4)≥ 1592 ( ≥ 20)287-310 (36-39)150 deg40SH1240-1280 (12.5-12.8)≥ 939 ( ≥ 11.8)≥ 1592 ( ≥ 20)302-326 (38-41)150 deg42SH1280-1320 (12.8-13.2)≥ 987 ( ≥ 12.4)≥ 1592 ( ≥ 20)318-342 (40-43)150 deg45SH1320-1380 (13.2-13.8)≥ 1003 ( ≥ 12.6)≥ 1592 ( ≥ 20)342-366 (43-46)150 deg28UH1020-1080 (10.2-10.8)≥ 764 ( ≥ 9.6)≥ 1990 ( ≥ 25)207-231 (26-29)180 deg30UH1080-1130 (10.8-11.3)≥ 812 ( ≥ 10.2)≥ 1990 ( ≥ 25)223-247 (28-31)180 deg33UH1130-1170 (11.3-11.7)≥ 852 ( ≥ 10.7)≥ 1990 ( ≥ 25)247-271 (31-34)180 deg35UH1180-1220 (11.8-12.2)≥ 860 ( ≥ 10.8)≥ 1990 ( ≥ 25)263-287 (33-36)180 deg38UH1220-1250 (12.2-12.5)≥ 876 ( ≥ 11.0)≥ 1990 ( ≥ 25)287-310 (36-39)180 deg40UH1240-1280 (12.5-12.8)≥ 899 ( ≥ 11.3)≥ 1990 ( ≥ 25)302-326 (38-41)180 deg28EH1040-1090 (10.4-10.9)≥ 780 ( ≥ 9.8)≥ 2388 ( ≥ 30)207-231 (26-29)200 deg30EH1080-1130 (10.8-11.3)≥ 812 ( ≥ 10.2)≥ 2388 ( ≥ 30)223-247 (28-31)200 deg33EH1130-1170 (11.3-11.7)≥ 836 ( ≥ 10.5)≥ 2388 ( ≥ 30)247-271 (31-34)200 deg35EH1170-1220 (11.7-12.2)≥ 876 ( ≥ 11.0)≥ 2388 ( ≥ 30)263-287 (33-36)200 deg38EH1220-1250 (12.2-12.5)≥ 899 ( ≥ 11.3)≥ 2388 ( ≥ 30)287-310 (36-39)200 deg30AH1080-1120 (10.8-11.2)≥ 812 ( ≥ 10.2)≥ 2785 ( ≥ 35)223-255 (28-32)220 deg33AH1120-1170 (11.2-11.7)≥ 812 ( ≥ 10.2)≥ 2785 ( ≥ 35)247-271 (31-34)220 degPhysical and Mechanical Properties of Neodymium Magnet:Thermal Conductivity7.7 kcal/m-h-° CYoung' s Modulus1.7 x 104 kg/mm2Bending Strength24 kg/mm2Compressive Strength80 kg/mm2Electrical Resistivity160 µ -ohm-cm/cm2Density7.4-7.55 g/cm3Vickers Hardness500 - 600Available coatings for sintered Neodymium Magnet (NdFeB magnet):Available Coatings:SurfaceCoatingThickness (Microns)ColorResistancePassivation1Silver GreyTemporary ProtectionNickelNi+Ni10.0-20Bright SilverExcellent against HumidityNi+Cu+NiZincZn8.0-20Bright BlueGood Against Salt SprayC-ZnShinny ColorExcellent Against Salt SprayTinNi+Cu+Sn15-20SilverSuperior Against HumidityGoldNi+Cu+Au10.0-20GoldSuperior Against HumidityCopperNi+Cu10.0-20GoldTemporary ProtectionEpoxyEpoxy15-25Black, Red, GreyExcellent Against Humidity & Salt SprayNi+Cu+EpoxyZn+EpoxyChemicalNi10.0-20Silver GreyExcellent Against HumidityParyleneParylene5.0-20GreyExcellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria. FDA Approved.