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Neodymium Magnet

Type:Permanent
Composite:Sintering Neodymium Magnet
Application:Industrial Magnet
Grade:N35, N38,N40,N42,M45,N48,N50,N52,N54; N35M,N38M,N40M,N42M,N45M,N48M,N50M; N30H,N33H,N35H,N38H,N40H,N42H,N45H,N48H,N50H; N30SH,N33SH,N35SH,N38SH,N40SH,N42SH,N45SH,N48SH; N28UH,N30UH,N33UH,N35UH,N38UH,N40UH,N42UH,N45UH; N28EH,N30EH,N33EH,N35EH,N38EH,N40EH; N28AH,N30AH,N33AH,N35AH,N38AH
Delivery Time:15-20 days
Size:Customers’ Request
Magnetism direction:Thickness, Axial, Radial, Diametrically, Multi-poles
Surface Treatment:Nickel-plated (Ni-Cu-Ni),Zn,Expoy,Sliver,others
Working Temperature: 80-230 Degree Centigrade
MOQ:10 PCS
Sample:Availabe
Package:White Box + Carton+Iron
Shipping:By air/By sea/By land
Availability:
Product Description

Performance

Grade Property

1.Normal Parameter

Grade Br HcB Hcj (BH)max Max Work Temperature
kGs T kOe kA/m kOe kA/m MGOe kJ/m3
L/D≥0.7
Max Min Max Min Min Min Min Min Max Min Max Min
N30 11.3 10.8 1.13 1.08 ≥10 ≥796 ≥12 ≥955 31 28 247 223 ≤80
N33 11.8 11.3 1.18 1.13 ≥10.5 ≥836 ≥12 ≥955 34 31 271 247 ≤80
N35 12.2 11.8 1.22 1.18 ≥10.9 ≥868 ≥12 ≥955 36 33 287 263 ≤80
N38 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥12 ≥955 39 36 311 287 ≤80
N40 12.9 12.6 1.29 1.26 ≥11.4 ≥907 ≥12 ≥955 41 38 327 302 ≤80
N42 13.3 12.9 1.33 1.29 ≥11.5 ≥915 ≥12 ≥955 43 40 342 318 ≤80
N45 13.7 13.3 1.37 1.33 ≥11.0 ≥876 ≥12 ≥955 46 43 366 342 ≤80
N48 14.1 13.7 1.41 1.37 ≥10.5 ≥836 ≥11 ≥876 49 45 390 358 ≤80
N50 14.5 14.0 1.45 1.40 ≥10.5 ≥836 ≥11 ≥876 51 47 406 374 ≤60
N52 14.8 14.3 1.48 1.43 ≥10.5 ≥836 ≥11 ≥876 53 49 422 390 ≤60
N54 15.2 14.7 1.52 1.47 ≥10.5 ≥836 ≥11 ≥876 55 51 438 406 ≤60
30M 11.3 10.8 1.13 1.08 ≥10 ≥796 ≥14 ≥1114 31 28 247 223 ≤100
33M 11.8 11.3 1.18 1.13 ≥10.5 ≥836 ≥14 ≥1114 34 31 271 247 ≤100
35M 12.2 11.8 1.22 1.18 ≥10.9 ≥868 ≥14 ≥1114 36 34 287 271 ≤100
38M 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥14 ≥1114 39 36 311 287 ≤100
40M 12.9 12.6 1.29 1.26 ≥11.6 ≥923 ≥14 ≥1114 41 38 327 302 ≤100
42M 13.3 12.9 1.33 1.29 ≥12 ≥955 ≥14 ≥1114 43 40 342 318 ≤100
45M 13.7 13.3 1.37 1.33 ≥12.5 ≥995 ≥14 ≥1114 46 43 366 342 ≤100
48M 14.1 13.7 1.41 1.37 ≥12.9 ≥1027 ≥14 ≥1114 49 45 390 358 ≤100
50M 14.5 14.0 1.45 1.40 ≥13 ≥1033 ≥14 ≥1114 51 47 406 374 ≤100
30H 11.3 10.8 1.13 1.08 ≥10 ≥796 ≥17 ≥1353 31 28 247 223 ≤120
33H 11.8 11.3 1.18 1.13 ≥10.5 ≥836 ≥17 ≥1353 34 31 271 247 ≤120
35H 12.2 11.8 1.22 1.18 ≥10.9 ≥868 ≥17 ≥1353 36 33 287 263 ≤120
38H 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥17 ≥1353 39 36 311 287 ≤120
40H 12.9 12.6 1.29 1.26 ≥11.6 ≥923 ≥17 ≥1353 41 38 327 302 ≤120
42H 13.3 12.9 1.33 1.29 ≥12 ≥955 ≥17 ≥1353 43 40 342 318 ≤120
Grade Br HcB Hcj (BH)max Max Work Temperature
kGs T kOe kA/m kOe kA/m MGOe kJ/m3
L/D≥0.7
Max Min Max Min Min Min Min Min Max Min Max Min
45H 13.7 13.3 1.37 1.33 ≥12.3 ≥979 ≥17 ≥1353 46 43 366 342 ≤120
48H 14.1 13.7 1.41 1.37 ≥12.5 ≥995 ≥17 ≥1353 49 46 390 366 ≤120
50H 14.5 14.0 1.45 1.40 ≥12.5 ≥995 ≥17 ≥1353 51 47 406 374 ≤120
30SH 11.4 10.8 1.14 1.08 ≥10.1 ≥804 ≥20 ≥1592 31 28 247 223 ≤150
33SH 11.8 11.4 1.18 1.14 ≥10.6 ≥844 ≥20 ≥1592 34 31 271 247 ≤150
35SH 12.2 11.8 1.22 1.18 ≥11.0 ≥876 ≥20 ≥1592 36 33 287 263 ≤150
38SH 12.6 12.2 1.26 1.22 ≥11.4 ≥907 ≥20 ≥1592 39 36 311 287 ≤150
40SH 12.9 12.6 1.29 1.26 ≥11.6 ≥939 ≥20 ≥1592 41 38 326 302 ≤150
42SH 13.3 12.9 1.33 1.29 ≥12.4 ≥987 ≥20 ≥1592 43 40 342 318 ≤150
45SH 13.7 13.2 1.37 1.32 ≥12.6 ≥1003 ≥20 ≥1592 46 42 366 334 ≤150
48SH 14.1 13.7 1.41 1.37 ≥12.4 ≥987 ≥20 ≥1592 49 46 390 366 ≤150
28UH 10.8 10.4 1.08 1.04 ≥9.6 ≥764 ≥25 ≥1989 29 26 231 207 ≤180
30UH 11.4 10.8 1.14 1.08 ≥10.1 ≥804 ≥25 ≥1989 31 28 247 223 ≤180
33UH 11.8 11.4 1.18 1.14 ≥10.7 ≥852 ≥25 ≥1989 34 31 271 247 ≤180
35UH 12.2 11.8 1.22 1.18 ≥10.8 ≥860 ≥25 ≥1989 36 33 287 263 ≤180
38UH 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥25 ≥1989 39 36 311 287 ≤180
40UH 12.9 12.5 1.29 1.25 ≥11.3 ≥899 ≥25 ≥1989 41 38 326 302 ≤180
42UH 13.3 12.8 1.33 1.28 ≥11.6 ≥923 ≥25 ≥1989 43 40 342 318 ≤180
45UH 13.7 13.2 1.37 1.32 ≥12.5 ≥995 ≥25 2149 46 42 366 334 ≤180
28EH 10.8 10.4 1.08 1.04 ≥9.8 ≥780 ≥30 ≥2388 29 26 231 207 ≤200
30EH 11.4 10.8 1.14 1.08 ≥10.1 ≥804 ≥30 ≥2388 31 28 247 223 ≤200
33EH 11.8 11.4 1.18 1.14 ≥10.3 ≥820 ≥30 ≥2388 34 31 271 247 ≤200
35EH 12.2 11.8 1.22 1.18 ≥10.5 ≥836 ≥30 ≥2388 36 33 287 263 ≤200
38EH 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥30 ≥2388 39 35 311 278 ≤200
40EH 12.9 12.5 1.29 1.25 ≥11.3 ≥899 ≥30 ≥2388 41 38 326 302 ≤200
28AH 10.9 10.4 1.09 1.04 ≥9.8 ≥780 ≥35 ≥2785 29 26 231 207 ≤230
30AH 11.3 10.8 1.13 1.08 ≥10.1 ≥804 ≥35 ≥2785 31 28 247 223 ≤230
33AH 11.8 11.3 1.18 1.13 ≥10.3 ≥820 ≥33 ≥2625 34 31 271 247 ≤230
35AH 12.2 11.8 1.22 1.18 ≥10.5 ≥860 ≥33 ≥2625 36 33 287 263 ≤230
38AH 12.6 12.2 1.26 1.22 ≥11.3 ≥899 ≥35 ≥2785 39 35 311 278 ≤230
Remark: All the property test in room temperature 20℃~23℃.

2.Special parameter

2.1Magnetic Parameter

Item Temperature coefficient%/℃(20℃~150℃) Lost Weight:mg/cm2
αBr βHcJ
Normal Grade -(0.11~0.12) -(0.58~0.70) ≤80
“T”Grade 1) -(0.095~0.115) -(0.46~0.59) ≤15
“L”Grade 2) -(0.10~0.12) -(0.55~0.65) ≤5
“TL”Grade 3) -(0.095~0.115) -(0.46~0.59) ≤5
Remark:1) “T”Grade means lower temperature coefficient,it valid from H series like 45HT、35SHT、38UHT;
2) “L”Grade means lower lost weight by special component and technic, our standard test condition is 121℃ 2ATM 95%HR,168Hours;
3)“TL”Grade means both property of “T”Grade and “L”Grade.

2.2Mechanical Physical Property

Parameter Unit Reference Value
Vickers hardness Hv ≥550
Density g/cm3 ≥7.40
μr RecalPenmeability 1.05
Tc Curie point 312~380
Specific resistance μΩ·cm 150
Bending strength MPa 250
Compressive strength MPa 1000~1100
Compressive strength Thermal expansion ℃-1 - (1~3)×10-6K
(⊥Thermal expansion) (⊥)
Compressive strength Thermal expansion ℃-1 (3~4)×10-6K
(∥Thermal expansion) (∥)


Dy/Tb Diffusion Property

1.Normal parameters

Grade Br HcB Hcj (BH)max
kGs T kOe kA/m kOe kA/m MGOe kJ/m3
Max Min Max Min Min Min Min Min Max Min Max Min
G50SH 14.4 13.9 14.4 13.9 13.0 1035 20 1592 50 47 398 374
G50SHT 14.4 13.9 14.4 13.9 13.0 1035 22 1751 50 47 398 374
G52SH 14.6 14.2 1.46 1.42 13.2 1050 20 1592 52 49 414 390
G52SHT 14.6 14.2 1.46 1.42 13.2 1050 22 1751 52 49 414 390
G45UH 13.7 13.2 1.37 1.32 12.4 987 25 2149 46 42 366 334
G45UHT 13.7 13.2 1.37 1.32 12.4 987 27 2149 46 42 366 334
G48UH 14.0 13.6 1.40 1.36 12.7 1011 25 1990 48 45 382 358
G48UHT 14.0 13.6 1.40 1.36 12.7 1011 27 2149 48 45 382 358
G50UH 14.4 13.9 14.4 13.9 13.0 1035 25 1990 50 47 398 374
G42EHT 13.3 12.8 1.33 1.28 12.0 955 32 2547 43 40 342 318
G45EH 13.7 13.2 1.37 1.32 12.4 987 30 2388 46 42 366 334
G45EHT 13.7 13.2 1.37 1.32 12.4 987 32 2547 46 42 366 334
G38AHT 12.6 12.1 1.26 1.21 11.8 939 37 2945 39 35 310 278
G40AH 12.9 12.5 1.29 1.25 12.0 955 35 2786 41 38 326 302
G40AHT 12.9 12.5 1.29 1.25 12.0 955 37 2945 41 38 326 302
G42AH 13.3 12.8 1.33 1.28 12.0 955 35 2786 43 40 342 318
Remark: All the property test in room temperature 20℃~23℃.

2.Special parameter

2.1Magnetic Parameter

Item Temperature coefficient%/℃(20℃~150℃) Lost Weight:mg/cm2
αBr βHcJ
Normal Grade -(0.11~0.12) -(0.58~0.70) ≤80
“T”Grade 1) -(0.095~0.115) -(0.46~0.59) ≤15
“L”Grade 2) -(0.10~0.12) -(0.55~0.65) ≤5
“TL”Grade 3) -(0.095~0.115) -(0.46~0.59) ≤5
Remark:1) “T”Grade means lower temperature coefficient,it valid from H series like 45HT、35SHT、38UHT;
2) “L”Grade means lower lost weight by special component and technic, our standard test condition is 121℃ 2ATM 95%HR,168Hours;
3)3)“TL”Grade means both property of “T”Grade and “L”Grade.

2.2Mechanical Physical Property

Parameter Unit Reference Value
Vickers hardness Hv ≥550
Density g/cm3 ≥7.40
μr RecalPenmeability 1.05
Tc Curie point 312~380
Specific resistance μΩ·cm 150
Bending strength MPa 250
Compressive strength MPa 1000~1100
Compressive strength Thermal expansion ℃-1 - (1~3)×10-6K
(⊥Thermal expansion) (⊥)
Compressive strength Thermal expansion ℃-1 (3~4)×10-6K



02 01

1> High Performance

N54, N52M, N50H, 42UH, 38EH,33AH

2> High Working Temperature

The AH series with 40kOe super-high

Coercive force.



3>High Consistency

The Cpk of Remanence (Br) and Intrinsic Coercive Force (Hcj) are much higher than 1.67.

The Consistency of the surface magnetic field and magnetic flux can be controller at +/-1%


006 007

4> High Anti-Corrosion

The salt spray test and humidity heat of high Anti-corrosion coating Nickel+Copper+Epoxy is Typically more than 500 hours.

5> Low Weight Loss

PCT: 130℃, humidity 100%, vapor pressure 2.7 bar, 20 days, average low weight loss < 2 mg/cm2


Magnetization Direction

Common direction of magnetization showed in picture bellows:

1> Disc, cylinder and ring shape magnet can be magnetized axially or diametrically.

2> Rectangle shape magnets can be magnetized through thickness, length, or width.

3> Arc shape magnets can be magnetized diametrically, width or thickness.

details





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