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永磁产品

中国领先的永磁材料生产商和供应商
烧结钕铁硼
  • 磁性能
  • 物理性能
  • 表面镀层
  • 工艺流程
  • 成品尺寸范围
    Magnetic Properties of Sintered NdFeB:

牌号

剩磁
Br
kG (mT)

矫顽力
Hcb
KOe (KA/m)

内禀矫顽力
Hcj
(KA/m)

******磁能积
(BH)max MGOe (KJ/m3)

******工作温度Temp.(℃)

N-30

10.8-11.2(1080-1120)

≥9.8 (≥780 )

≥ 12.0 (≥955)

28-30 (223-239)

< 80

N-33

11.3-11.7(1130-1170)

≥10.5 (≥836 )

≥ 12.0 (≥955)

31-33 (247-263)

< 80

N-36

11.8-12.2(1180-1220)

≥11.0 (≥875 )

≥ 12.0 (≥955)

33-36 (263-286)

< 80

N-38

12.2-12.6(1220-1260)

≥11.4 (≥907 )

≥ 12.0 (≥955)

36-38 (286-303)

< 80

N-40

12.6-12.9(1260-1290)

≥10.5 (≥836 )

≥ 12.0 (≥955)

38-40 (303-318)

< 80

N-42

13.0-13.2(1300-1320)

≥11.4 (≥907 )

≥ 12.0 (≥955)

41-42 (326-334)

< 80

N-45

13.3-13.7(1330-1370)

≥11.0 (≥876 )

≥ 12.0 (≥955)

43-45 (342-358)

< 80

N-48

13.8-14.2(1380-1420)

≥10.5 (≥835 )

≥ 11.0 (≥876)

46-49 (366-390)

< 80

N-5014.1-14.7(1410-1470)

≥10.5 (≥835 )

≥ 11.0 (≥876)48-52 (382-414)< 80

30M

10.8-11.2(1080-1120)

≥9.8 (≥780 )

≥ 14.0 (≥1114)

28-30 (223-239)

< 100

33M

11.3-11.7(1130-1170)

≥10.3 (≥820 )

≥ 14.0 (≥1114)

31-33 (247-263)

< 100

35M

11.7-12.1(1170-1210)

≥10.8 (≥860 )

≥ 14.0 (≥1114)

33-35 (263-279)

< 100

38M

12.0-12.4(1200-1240)

≥11.2 (≥890 )

≥ 14.0 (≥1114)

36-38 (287-302)

< 100

40M

12.5-12.9(1250-1290)

≥10.6 (≥844 )

≥ 14.0 (≥1114)

38-40 (303-318)

< 100

42M

13.0-13.2(1300-1320)

≥11.4 (≥907 )

≥ 14.0 (≥1114)

40-43 (318-342)

< 100

45M

13.3-13.7(1330-1370)

≥11.0 (≥876 )

≥ 14.0 (≥1114)

43-45 (342-358)

< 100

48M13.8-14.4(1380-1440)≥12.8(≥1019 )≥ 14.0 (≥1114)46-50 (366-398)< 100

38H

12.2-12.6(1220-1260)

≥11.4 (≥907 )

≥ 17.0 (≥1353)

36-38 (286-303)

<120

40H

12.6-12.9(1260-1290)

≥11.6 (≥923 )

≥ 17.0 (≥1353)

38-40 (303-318)

<120

42H

12.8-13.2(1280-1320)

≥12.0 (≥955 )

≥ 17.0 (≥1353)

40-43 (318-342)

<120

44H

13.3-13.5(1330-1350)

≥11.0 (≥876 )≥ 17.0 (≥1353)42-44 (334-350)

<120

46H13.6-13.8(1360-1380)≥11.0 (≥876 )≥ 17.0 (≥1353)44-46 (350-366)

<120

48H13.8-14.4(1380-1440)≥12.7 (≥1011 )≥ 17.0 (≥1353)46-50 (366-398)

<120

30SH

10.8-11.3(1080-1130)

≥10.1 (≥804 )

≥ 20 (≥1592)

28-31 (223-247)

<150

33SH

11.3-11.7(1130-1170)

≥10.5 (≥835 )

≥ 20 (≥1592)

31-33 (247-263)

<150

35SH

11.8-12.2(1180-1220)

≥11.0 (≥875 )

≥ 20 (≥1592)

33-35 (267-279)

<150

38SH

12.0-12.4(1200-1240)

≥11.4 (≥907 )

≥ 20 (≥1592)

36-38 (287-302)

<150

40SH

12.4-12.8(1240-1280)

≥11.8 (≥939 )

≥ 20 (≥1592)

38-41 (302-326)

<150

42SH13.0-13.2(1300-1320)≥12.0 (≥955 )≥ 20 (≥1592)40-42 (318-334)<150
44SH13.3-13.9(1330-1390)≥12.0 (≥955 )≥ 20 (≥1592)42-46 (334-366)<150

27UH

10.2-10.8(1020-1080)

≥9.3 (≥740 )

≥ 25 (≥1990)

25-28 (119-223)

<180

30UH

10.8-11.2(1080-1120)≥10.6(≥844 )≥ 25 (≥1990)28-30 (223-239)<180

32UH

11.2-11.8(1120-1180)≥10.5(≥834 )≥ 25 (≥1990)30-34 (239-271)<180

34UH

11.5-12.1(1150-1210)≥10.8(≥860 )≥ 25 (≥1990)32-36 (255-287)<180

36UH

12.1-12.7(1210-1270)≥11.2(≥892 )≥ 25 (≥1990)34-38 (271-302)<180

38UH

12.3-12.9(1230-1290)≥11.4(≥907 )≥ 25 (≥1990)36-40 (287-315)<180

40UH

12.5-13.1(1250-1310)≥11.6(≥923 )≥ 25 (≥1990)38-42 (302-334)<180

30EH

10.8-11.2(1080-1120)

≥10.6 (≥844 )

≥ 27 (≥2150)

28-30 (223-239)

<200

32EH11.2-11.8(1120-1180)≥10.5 (≥931 )≥ 27 (≥2150)30-34 (239-271)<200
Sintered NdFeB的物理性能:

剩磁温度系数
Temp.Coeff.of Br

-0.11%/℃

矫顽力温度系数
Temp.Coeff.of Hc

-0.60%/℃

密度
Density

7.3-7.5g/cm3

电阻率
Electrical Resistivity

114μΩ..cm

维氏硬度
Vickers Hardness:

600Hv

挠曲强度
Flexural Resistivity

25kg/mm

抗拉强度
Tensile Strength:

8.0Kg/mm2

热膨胀系数
Coeff. Of Thermal Expansion

4X10-6/℃

比热
Specific Heat

0.12Kcal/Kg

导热系数
Thermal Conductivity

7.7kcal/[m.h.℃]

强性模量 Young’s Modulus

1.6X10[11]N/m2

刚度
Rigidity

0.64N/m2

横向变形系数 Poisson’s Ratio

0.24

压缩率
Compressibility

9.8x10-12m2/N

居里温度
Curie Temperature

310-340℃




烧结钕铁硼的表面镀层:
表面处理镍-铜-镍电泳Chromate
白锌彩锌单层镍双层镍
抗腐蚀优秀优秀优秀


烧结钕铁硼的尺寸范围


长度(外径) mm宽度(内径) mm厚度 mm
最小******最小******最小******

   方块

1

150

1

100

0.5

150

   圆环

1

150

1

140

0.6

50

 圆片/棒

1

150



0.6

50


长度弦长

最小******最小******

瓦形

3

50

5

150




方块TYPEABC
1.jpegF1.0221221
F1.0331331
F1.0442442
F1.04444.84.84.5
F1.0552552
F1.054154.51.5
F1.0631631
F1.0662665
F1.0886886
F1.10721072
F1.101010103
F1.100610106
F1.12921292.5
F1.151515155
F1.161216123
F1.181618164
F1.201020105
F1.202020208
F1.262126215
F1.301030106
F1.303030306
F1.322732276
F1.502050208
F1.7550755010


圆环TYPE  AD  ID  L
2.jpegH1.1035  10.0  3.1   5
H1.1003  10.0  3.1  10
H1.1556  15.0  5.0   6
H1.2045  20.0  4.2   5
H1.2010  20.0 10.0   6
H1.2512  25.0 12.0   8
H1.4023  40.0 23.0   6
H1.7642  76.0 42.0   6


圆片TYPED         L
 3.jpegP1.01021.52
P1.02042.04
P1.02102.010
P1.03033.03
P1.04014.01.2
P1.04154.01.5
P1.04054.05
P1.05035.03
P1.05105.010
P1.06026.02
P1.06056.05
P1.07037.03
P1.08068.06
P1.09059.05
P1.100310.3
P1.100510.05
P1.11010.010
P1.140314.03
P1.150315.03
P1.150415.04
P1.150515.05
P1.20055
P1.201020.010
P1.250525.05
P1.250725.07