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MAGNET

제품소개

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제품소개  주요고객사  보유설비  기술자료 

컨텐츠 영역

NdFeB 자석 (Sintered)

Process Flow Chart for Neodymium-Iron-Boron Magnet

  • Raw
    Material
  • Melting
    & Alloying
  • Coase
    Pulverizing
  • Fine
    Pulverizing
  • Pressing in
    Magnetic
    Field
  • Sintering
  • Machining
  • NdFeB
  • Coating
  • Magnetization

Typical Magnetic Performance for NdFeB Magnet

The main raw materials of NdFeB Magnets are Neodymium, Iron and Boron with excellent magnetic property.

    • Curie Temperature
    • 310 ~ 370℃
    • Maximum Operating Temperature
    • 80 ~ 180℃
    • Resistively
    • 160
    • Hardness
    • 560 ~ 580 Hv
    • Density
    • 7.40 ~ 7.65 g/㎤
    • Relative Recoil Permeability
    • 1.05 μrec
    • Saturation Field Strength
    • 30 ~ 40 kOe (2.4~3.2 kA/m)
    • Tensile Strength
    • -0.12 ~ -0.10 %/℃
    • Transverse Rupture Strength
    • -0.6 %/℃

Typical Magnetic Characteristics for NdFeB Magnets

  • Br
  • Hcb
  • Hcj
  • BHmax
Grade Br Hcb Hcj BHmax Max Working
Tempt
kGs mT kOe KA/m kOe KA/m MGOe KJ/m3 Tw ℃
N35 11.7~12.1 1170∼1210 ≥10.9 ≥868 ≥12 ≥955 33~36 263∼287 80
N38 12.1~12.5 1210∼1250 ≥11.3 ≥899 ≥12 ≥955 36~39 287∼310
N40 12.5~12.8 1250∼1280 ≥11.5 ≥923 ≥12 ≥955 38~41 302∼326
N42 12.8~13.2 1280∼1320 ≥11.3 ≥899 ≥12 ≥955 40~43 318∼342
N45 13.3~13.8 1330∼1380 ≥10.5 ≥836 ≥12 ≥955 43~46 342∼366
N48 13.7~14.3 1370∼1430 ≥10.5 ≥836 ≥11 ≥876 46~49 366∼390
N50 13.9~14.5 1390∼1450 ≥10.5 ≥836 ≥11 ≥876 47~51 374∼406
N52 14.2~14.9 1420∼1490 ≥10.5 ≥836 ≥11 ≥876 49~53 390∼422
35M 11.7~12.1 1170∼1210 ≥10.9 ≥868 ≥14 ≥1114 33~36 263∼287 100
38M 12.1~12.5 1210∼1250 ≥11.3 ≥899 ≥14 ≥1114 36~39 287∼310
40M 12.5~12.8 1250∼1280 ≥11.5 ≥923 ≥14 ≥1114 38~41 302∼326
42M 12.8~13.4 1280∼1340 ≥11.9 ≥952 ≥14 ≥1114 40~43 318∼342
45M 13.3~13.8 1330∼1380 ≥12.4 ≥989 ≥14 ≥1114 43~46 342∼366
48M 13.7~14.3 1370∼1430 ≥12.8 ≥1019 ≥14 ≥1114 46~49 366∼390
50M 13.9~14.5 1390∼1450 ≥12.9 ≥1034 ≥14 ≥1114 47~51 374∼406
30H 10.8~11.3 1080∼1130 ≥10.0 ≥796 ≥17 ≥1353 28~31 223∼247 120
33H 11.3~11.7 1130∼1170 ≥10.5 ≥836 ≥17 ≥1353 31~34 247∼271
35H 11.7~12.1 1170∼1210 ≥10.9 ≥868 ≥17 ≥1353 33~ 36 263∼287
38H 12.1~12.5 1210∼1250 ≥11.3 ≥899 ≥17 ≥1353 36~39 287∼310
40H 12.4~12.8 1240∼1280 ≥11.5 ≥923 ≥17 ≥1353 38~41 302∼326
42H 12.8~13.4 1280∼1340 ≥11.9 ≥952 ≥17 ≥1353 40~43 318∼342
45H 13.3~13.8 1330∼1380 ≥12.4 ≥989 ≥17 ≥1353 43~46 342∼366
48H 13.7~14.2 1370∼1420 ≥12.8 ≥1019 ≥16 ≥1274 45~48 358∼382
50H 13.9~14.4 1390∼1440 ≥12.9 ≥1034 ≥16 ≥1274 47~51 374∼406
30SH 10.8~11.3 1080∼1130 ≥10.1 ≥804 ≥20 ≥1592 28`31 223∼247 150
33SH 11.3~11.7 1130∼1170 ≥10.6 ≥844 ≥20 ≥1592 31~34 247∼271
35SH 11.7~12.1 1170∼1210 ≥11.0 ≥876 ≥20 ≥1592 33~36 263∼287
38SH 12.2~12.9 1220∼1290 ≥11.4 ≥908 ≥20 ≥1592 36~39 287∼310
40SH 12.7~13.1 1270∼1310 ≥11.9 ≥945 ≥20 ≥1592 38~41 302∼326
42SH 12.8~13.4 1280∼1340 ≥11.9 ≥952 ≥20 ≥1592 39~42 310∼334
44SH 13.0~13.6 1300∼1360 ≥12.2 ≥967 ≥20 ≥1592 41~ 45 326∼358
45SH 13.3~13.7 1330∼1370 ≥11.4 ≥907 ≥19 ≥1512 43~45 342∼358
35TH 11.7~12.4 1170∼1240 ≥10.9 ≥870 ≥23 ≥1831 33~36 263∼287 160
38TH 12.2~12.9 1220∼1290 ≥11.4 ≥908 ≥23 ≥1831 36~39 287∼310
40TH 12.7~13.1 1270∼1310 ≥12.4 ≥986 ≥23 ≥1831 38~41 302∼326
42TH 12.8~13.4 1280∼1340 ≥11.9 ≥952 ≥23 ≥1831 39~42 310∼334
28UH 10.2~10.8 1020∼1080 ≥9.6 ≥764 ≥25 ≥1990 26~29 207∼231 180
30UH 10.8~11.3 1080∼1130 ≥10.2 ≥812 ≥25 ≥1990 28~31 223∼247
33UH 11.3~11.7 1130∼1170 ≥10.7 ≥852 ≥25 ≥1990 31~34 247∼271
35UH 11.7~12.4 1170∼1240 ≥10.9 ≥870 ≥25 ≥1990 33~36 263∼287
38UH 12.2~12.9 1220∼1290 ≥12.3 ≥978 ≥25 ≥1990 36~39 287∼310
40UH 12.5~13.3 1250∼1330 ≥11.7 ≥930 ≥25 ≥1990 38~41 302∼326
33VH 11.4~12.1 1140∼1210 ≥10.7 ≥848 ≥28 ≥2229 31~34 247∼271 190
35VH 11.17~12.4 1117∼1240 ≥10.9 ≥870 ≥28 ≥2229 33~36 263∼287
38VH 12.0~12.6 1200∼1260 ≥11.2 ≥893 ≥28 ≥2229 36~39 287∼310
28EH 10.4~10.9 1040∼1090 ≥9.8 ≥780 ≥30 ≥2388 26~29 207∼231 200
30EH 10.8~11.5 1080∼1150 ≥10.1 ≥803 ≥30 ≥2388 28~31 223∼247
33EH 11.4~12.1 1140∼1210 ≥10.7 ≥848 ≥30 ≥2388 31~34 247∼271
35EH 11.7~12.1 1170∼1210 ≥10.2 ≥812 ≥30 ≥2388 33~36 263∼287
30GH 10.8~11.5 1080∼1150 ≥10.1 ≥803 ≥33 ≥2627 28~31 223∼247 210
33GH 11.4~12.1 1140∼1210 ≥10.7 ≥848 ≥33 ≥2627 31~34 247∼271
28AH 10.3~10.8 1030∼1080 ≥9.7 ≥770 ≥35 ≥2786 25~28 199∼223 230
30AH 10.8~11.5 1080∼1150 ≥10.1 ≥803 ≥35 ≥2786 28~31 223∼247