• Baotou rare earth supplier of 38SH NdFeB ring shaped radiation permanent magnet steel

NdFeB permanent ring magnetic steel is widely used in the field of industrial motor, servo motor, stepper motor, robot, industrial automation production line, etc. The common material are N45, 42M, 42H, 38SH, 40SH, 38UH and 33EH. Baotou is the the most richest supplier of rare earth like NdFeB, niobium, thorium, etc.

Specifications

Product Ring magnetic steel, neodymium iron boron ring, neodymium ring, rare earth ring magnetic steel
Material Neodymium iron boron, neodymium magnet, rare earth magnet steel, magnet
Performance level and operating temperature Performance level The highest operating temperature
N35-N54 80°C     (176°F)
35M-52M 100°C   (212°F)
35H-50H 120°C   (248°F)
33SH-48SH 150°C   (302°F)
28UH-45UH 180°C   (356°F)
28EH-42EH 200°C   (392°F)
28AH-40AH 230°C   (446°F)
Appearance Ring, wafer, tile, square, cylinder and other special shapes
Clad layer Nickel, nickel copper nickel, chemical nickel, blue and white zinc, color zinc, epoxy resin, phosphating, passivation, elvore, gold, silver, tin
Magnetization direction Thickness direction magnetization, axial magnetization, radial magnetization, multistage magnetization and radiation magnetization, and special customized magnetization can also be operated
Application Servo motor, brushless motor, linear motor, electric tools, automobile spare parts (EPS, the oil pump motor, start the motor, ignition coil, etc.), the electric car motor, robot drive motor, frequency conversion compressor, rail transit traction motor, consumer electronics, permanent magnet wind turbine, energy-saving elevator, sound equipment, magnetic switch, optical drive heads, nuclear magnetic resonance (NMR), magnetic separator, sensors, etc
Certificate ISO/TS 16949, ISO9001, ISO14001, RoHS, REACH
Package Standard sea or air packing, such as cartons, wooden cases, pallets, etc
Delivery time The sample usually takes 7 days, and the batch usually takes 15-20 days
Shippment Express(TNT, DHL, FedEx, UPS), Air and sea transport

Magnetic properties of various grades of NdFeB materials

Material Remanence (minimum) Coercivity (minimum) Coercivity (minimum) Maximum Magnetic Energy Product Density Temperature Coefficient Curie Maximum Service Temperature Recoil
Temperature Permeability
Grade Br Hcj Hcb （BH）max D αBr αHcj Tc Tw μrec
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 876.00 10500 836.00 47~51 374~406 7.55 -0.12 -0.6 320 80 1.05
N52 14200~14700 1420~1470 11000 876.00 10500 836.00 49~53 390~422 7.55 -0.12 -0.6 320 80 1.05
N42M 12800~13300 1280~1320 14000 1114.00 12000 955.00 40~43 318~342 7.5 -0.12 -0.6 320 100 1.05
N45M 13300~13700 1330~1370 14000 1114.00 12500 995.00 43~46 342~366 7.5 -0.12 -0.6 320 100 1.05
N48M 13600~14200 1360~1420 14000 1114.00 12800 1019.00 45~49 358~390 7.55 -0.12 -0.6 320 100 1.05
N50M 13900~14400 1390~1440 14000 1114.00 13000 1035.00 47~51 374~406 7.55 -0.12 -0.6 320 100 1.05
N52M 14200~14700 1420~1470 13000 1035.00 12500 995.00 49~53 390~422 7.55 -0.12 -0.6 320 100 1.05
N42H 12800~13300 1280~1330 17000 1353.00 12000 955.00 40~43 318~342 7.55 -0.12 -0.6 320 120 1.05
N45H 13300~13700 1330~1370 17000 1353.00 12100 963.00 43~46 342~366 7.55 -0.12 -0.6 320 120 1.05
N48H 13600~14200 1360~1420 17000 1353.00 12900 1027.00 45~49 358~390 7.6 -0.12 -0.6 320 120 1.05
N50H 13900~14400 1390~1440 16000 1274.00 13000 1035.00 47~51 374~406 7.6 -0.12 -0.6 320 120 1.05
N42SH 12800~13200 1280~1320 20000 1592.00 12200 971.00 40~43 318~342 7.55 -0.11 -0.55 320 150 1.05
N45SH 13200~13700 1320~1370 20000 1592.00 12300 979.00 43~46 342~366 7.6 -0.11 -0.55 320 150 1.05
N48SH 13600~14200 1360~1420 19000 1512.00 12500 995.00 45~49 358~390 7.6 -0.11 -0.55 320 150 1.05
N28UH 10200~10800 1020~1080 25000 1990.00 9600 764.00 26~29 207~231 7.5 -0.1 -0.51 320 180 1.05
N30UH 10800~11300 1080~1130 25000 1990.00 10200 812.00 28~31 223~247 7.5 -0.1 -0.51 320 180 1.05
N33UH 11300~11700 1130~1170 25000 1990.00 10700 852.00 31~34 247~271 7.55 -0.1 -0.51 320 180 1.05
N35UH 11700~12200 1170~1220 25000 1990.00 10800 860.00 33~36 263~287 7.55 -0.1 -0.51 320 180 1.05
N38UH 12200~12500 1220~1250 25000 1990.00 11000 876.00 36~39 287~310 7.6 -0.1 -0.48 320 180 1.05
N40UH 12500~12800 1250~1280 25000 1990.00 11500 915.00 38~41 302~326 7.6 -0.1 -0.48 320 180 1.05
N42UH 12700~13200 1270~1320 24000 1910.00 12200 971.00 39~43 310~342 7.6 -0.1 -0.48 320 180 1.05
N45UH 13200~13700 1320~1370 24000 1910.00 12300 979.00 43~46 342~366 7.6 -0.1 -0.48 320 180 1.05
N28EH 10400~10900 1040~1090 30000 2388.00 9800 780.00 26~29 207~231 7.6 -0.09 -0.48 320 200 1.05
N30EH 10800~11300 1080~1130 30000 2388.00 10200 812.00 28~31 223~247 7.6 -0.09 -0.48 320 200 1.05
N33EH 11300~11700 1130~1170 30000 2388.00 10300 820.00 31~34 247~271 7.6 -0.09 -0.48 320 200 1.05
N35EH 11700~12200 1170~1220 30000 2388.00 10500 836.00 33~36 263~287 7.6 -0.09 -0.48 320 200 1.05
N38EH 12000~12500 1200~1250 30000 2388.00 11500 915.00 35~39 279~310 7.6 -0.09 -0.48 320 200 1.05
N28AH 10200~10900 1020~1090 34000 2706.00 9800 780.00 25~29 199~231 7.6 -0.09 -0.48 320 240 1.05
N30AH 10700~11300 1070~1130 34000 2706.00 10200 812.00 27~31 215~247 7.6 -0.09 -0.48 320 240 1.05
N33AH 11100~11700 1110~1170 34000 2706.00 10300 820.00 30~34 239~271 7.6 -0.09 -0.48 320 240 1.05
N35AH 11700~12200 1170~1220 34000 2706.00 10500 836.00 32~36 255~287 7.6 -0.09 -0.48 320 240 1.05

Inquiry form