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Sintered-Neodymium-Iron-Boron-(NdFeB)-Magnets-grades-data.pdf

Sintered-Neodymium-Iron-Boron-(NdFeB)-Magnets-grades-data.pdf<br>

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Sintered-Neodymium-Iron-Boron-(NdFeB)-Magnets-grades-data.pdf

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  1. https://www.albmagnets.com/ ALB Materials Inc Sintered Neodymium Iron Boron (NdFeB) Magnets

  2. Contents https://www.albmagnets.com/ 1 Characteristic magnetic properties at room temperature (20°C) 2 Remarks on table Physical properties at room temperature (20°C) Demagnetisation Page No. Magnet grade Page No. Magnet grade Page No. Magnet grade Page No. Magnet grade curves 21 15 9 3 N35UH N38UH N40UH N28EH N30EH N33EH N35EH N38EH N25AH N28AH N30AH N25BH N48H N30SH N33SH N35SH N38SH N40SH N42SH N44SH N46SH N28UH N30UH N33UH N42M N45M N48M N50M N30H N33H N35H N38H N40H N42H N44H N46H N35 N38 N40 N42 N45 N48 N50 N52 N33M N35M N38M N40M 22 16 10 4 23 17 11 5 24 18 12 6 25 19 13 7 26 20 14 8

  3. SinteredNdFeBmagnets Characteristic magnetic properties at room temperature (20°C) https://www.albmagnets.com/ Intrinsic coercivity Hcj kA/m Max. operating temp. Remanence BR mT Normal coercivity Hcb kA/m Mass energy product BH(max) kJ/m3 Grade min 1170 1220 1260 1300 1330 1370 1410 1440 1140 1170 1220 1260 1300 1330 1370 1410 1080 1140 1170 1220 1260 1300 1330 1360 1380 1080 1140 1170 1220 1260 1300 1330 1360 1040 1080 1140 1170 1220 1260 1040 1080 1140 1170 1220 970 typ min 870 870 870 870 900 900 830 830 830 870 900 930 950 980 1010 1030 810 830 870 900 930 950 970 980 1010 810 830 870 900 930 950 970 980 770 810 830 870 900 930 770 810 830 870 900 730 typ 920 920 920 920 930 930 850 850 880 920 950 980 1000 1030 1060 1080 860 880 920 950 980 1000 1020 1040 1060 860 880 920 950 980 1000 1020 1040 810 860 880 920 950 980 810 860 880 920 950 770 min 955 955 955 955 955 955 875 875 1114 1114 1114 1114 1114 1114 1114 1114 1353 1353 1353 1353 1353 1353 1353 1353 1353 1592 1592 1592 1592 1592 1592 1592 1592 1989 1989 1989 1989 1989 1989 2387 2387 2387 2387 2387 2787 min 263 279 303 318 334 358 382 398 239 263 279 303 318 334 358 382 223 239 263 279 303 318 334 350 366 223 239 263 279 303 318 334 350 199 223 239 263 279 303 199 223 239 263 279 180 typ 279 303 318 334 358 382 398 414 263 279 303 318 334 358 382 398 239 263 279 303 318 334 350 366 382 239 263 279 303 318 334 350 366 223 239 263 279 303 318 223 239 263 279 303 200 80 80 80 80 80 80 70 70 N35 N38 N40 N42 N45 N48 N50 N52 N33M N35M N38M N40M N42M N45M N48M N50M N30H N33H N35H N38H N40H N42H N44H N46H N48H N30SH N33SH N35SH N38SH N40SH N42SH N44SH N46SH N28UH N30UH N33UH N35UH N38UH N40UH N28EH N30EH N33EH N35EH N38EH N25AH iHc at 150°C, min. 1200KA/m iHc at 180°C, min. 900KA/m 1220 1260 1300 1330 1370 1410 1440 1470 1170 1220 1260 1300 1330 1370 1410 1440 1140 1170 1220 1260 1300 1330 1360 1380 1410 1140 1170 1220 1260 1300 1330 1360 1380 1080 1140 1170 1220 1260 1300 1080 1140 1170 1220 1260 1020 100 100 100 100 100 100 90 90 120 120 120 120 120 120 120 120 120 150 150 150 150 150 150 150 150 180 180 180 180 180 180 200 200 200 200 200 220 220 N28AH iHc at 150°C, min. 1200KA/m iHc at 180°C, min. 900KA/m 1040 1080 770 810 2787 203 218 220 N30AH iHc at 150°C, min. 1200KA/m iHc at 180°C, min. 900KA/m 1080 1140 810 860 2787 220 250 230 N25BH iHc at 150°C, min. 1300KA/m iHc at 180°C, min. 950KA/m 950 1000 710 750 3000 170 190 1

  4. https://www.albmagnets.com/ Remarks on facing table 1 The max working temperature is only for reference, it is dependent on the circuit in which the magnet is operating. 2 Customers are advised to consult us on any application involving temperatures near to 150°C. 3 When L/D = 0.7, the magnet can be operated at maximum working temperature before irreversable losses occur. Physical properties at room temperature (20°C) Temp. Coeff. Of Br −0.11%/°C Density 7.5/cm³ Vickers Hardness 600Hv Tensile Strength 8.0kg/mm² Specific Heat 0.12 kcal/(kg,°C) Young's Modulus 1.6 × 10¹¹N/m² Poisson's Ratio 0.24 Curie Temperature 310–340°C Temp. Coeff of iHc −0.60%/°C Electrical Resistivity 144 μΩ.cm Flexural Strength 25kg/mm Coeff. Of Thermal Expansion 4×10–6/°C Thermal Conductivity 7.7 kcal/(m.h. °C) Rigidity 0.64N/m² Compressibility 9.8 × 10–¹²m²/N 2

  5. Demagnetisation Curves https://www.albmagnets.com/ https://www.albmagnets.com/ https://www.albmagnets.com/ https://www.albmagnets.com/ https://www.albmagnets.com/  Demagnetisation Curves  Demagnetisation Curves 3

  6. Demagnetisation Curves https://www.albmagnets.com/  Demagnetisation Curves  Demagnetisation Curves 4

  7. Demagnetisation curves https://www.albmagnets.com/  Demagnetisation Curves  Demagnetisation Curves 5

  8. Demagnetisation Curves https://www.albmagnets.com/   6

  9. Demagnetisation curves https://www.albmagnets.com/   7

  10. https://www.albmagnets.com/ Demagnetisation Curves   8

  11. Demagnetisation curves https://www.albmagnets.com/   9

  12. Demagnetisation Curves https://www.albmagnets.com/   10

  13. Demagnetisation curves https://www.albmagnets.com/   11

  14. Demagnetisation Curves https://www.albmagnets.com/   12

  15. Demagnetisation curves https://www.albmagnets.com/   13

  16. Demagnetisation Curves https://www.albmagnets.com/   14

  17. Demagnetisation curves https://www.albmagnets.com/   15

  18. Demagnetisation Curves https://www.albmagnets.com/   16

  19. Demagnetisation curves https://www.albmagnets.com/   17

  20. Demagnetisation Curves https://www.albmagnets.com/   18

  21. Demagnetisation curves https://www.albmagnets.com/   19

  22. https://www.albmagnets.com/ Demagnetisation Curves   20

  23. Demagnetisation curves https://www.albmagnets.com/   21

  24. Demagnetisation Curves https://www.albmagnets.com/   22

  25. Demagnetisation curves https://www.albmagnets.com/   23

  26. https://www.albmagnets.com/ Demagnetisation Curves   24

  27. Demagnetisation curves https://www.albmagnets.com/   25

  28. https://www.albmagnets.com/ Demagnetisation Curves   26

  29. https://www.albmagnets.com/ ALB Materials Inc 2360 Corporate Circle . Suite 400 Henderson, NV 89074-7739 E-mail: sales@albmagnets.com E-mail: sales@albmaterials.com

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