Neodymium Rare Earth Magnet
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1
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Product Unit
Pieces
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Origin
China Mainland
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Product Detail
DESCRIPTION
The corrosion resistance of NdFeB is considered drawback. It's often the surface is coated to prevent the corrosion.Commonly used coating methods are blue and white zinc, zinc, nickel, nickel-copper-nickel epoxy resin, phosphating (temporary protection), etc.
COATING
coating | Picture | code | color | Minimum | memrge etching time | working temperature | |||
neutralsalt | humid heat test | pressure | |||||||
Ni(Barrel plating) | Ni | sliver | 10 | 24 | 300 | 48 | <200 | ||
Ni(rack plating) | Ni | sliver | 10 | 8 | 300 | 48 | |||
NiCuNi(barrel plating) | NiCuNi | sliver | 10 | 72 | 500 | 48 | |||
NiCuNi(rack plating) | NiCuNi | sliver | 10 | 48 | 500 | 48 | |||
Zinc | white zinc | Zn | white Zinc | 4 | 24 | 48 | / | <170 | |
color zinc | CZn/Zn | color Zinc | 6 | 48 | 48 | / | |||
chemical plating Ni | Ni | silver | 12 | 96 | 500 | 48 | <200 | ||
electrophoresis epoxy | Epoxy | black?grey | 10 | 48-96 | 120 | 0-24 | <130 | ||
Parylene | Parylene | Colorless and transparent | 12.7-25.4 microns | 48 | / | / | <130 |
MAGNETIC PERFORMANCE TABLE
Item | Grade | Residual Induction | Coercive Force | Intrinsic Coercive Force | Max. Energy Product | Tw |
N | N35 | 1.17-1.24T | =860kA/m | =955kA/m | 263-295kJ/m3 | =80? |
11.7-12.4kGs | =10.8kOe | =12kOe | 33-37MGOe | |||
N38 | 1.22-1.30T | =860kA/m | =955kA/m | 287-318kJ/m3 | =80? | |
12.2-13.0kGs | =10.8kOe | =12kOe | 36-40MGOe | |||
N40 | 1.26-1.32T | =860kA/m | =955kA/m | 302-334kJ/m3 | =80? | |
12.6-13.2kGs | =10.8kOe | =12kOe | 38-42MGOe | |||
N42 | 1.29-1.35T | =860kA/m | =955kA/m | 318-350kJ/m3 | =80? | |
12.9-13.5kGs | =10.8kOe | =12kOe | 40-44MGOe | |||
N45 | 1.32-1.38T | =860kA/m | =955kA/m | 334-366kJ/m3 | =80? | |
13.2-13.8kGs | =10.8kOe | =12kOe | 42-46MGOe | |||
N48 | 1.37-1.43T | =836kA/m | =876kA/m | 358-390kJ/m3 | =80? | |
13.7-14.3kGs | =10.5kOe | =11kOe | 45-49MGOe | |||
N50 | 1.40-1.45T | =836kA/m | =876kA/m | 374-406kJ/m3 | =80? | |
14.0-14.5kGs | =10.5kOe | =11kOe | 47-51MGOe | |||
N52 | 1.42-1.48T | =836kA/m | =876kA/m | 390-422kJ/m3 | =80? | |
14.2-14.8kGs | =10.5kOe | =11kOe | 49-53MGOe | |||
N54 | 1.45-1.51T | =836kA/m | =876kA/m | 398-438kJ/m3 | =80? | |
14.5-15.1kGs | =10.5kOe | =11kOe | 50-55MGOe | |||
M | N35M | 1.17-1.24T | =860kA/m | =1114kA/m | 263-295kJ/m3 | =100? |
11.7-12.4kGs | =10.8kOe | =14kOe | 33-37MGOe | |||
N38M | 1.22-1.30T | =915kA/m | =1114kA/m | 287-318kJ/m3 | =100? | |
12.2-13.0kGs | =11.5kOe | =14kOe | 36-40MGOe | |||
N40M | 1.26-1.32T | =939kA/m | =1114kA/m | 302-334kJ/m3 | =100? | |
12.6-13.2kGs | =11.8kOe | =14kOe | 38-42MGOe | |||
N42M | 1.29-1.35T | =955kA/m | =1114kA/m | 318-350kJ/m3 | =100? | |
12.9-13.5kGs | =12.0kOe | =14kOe | 40-44MGOe | |||
N45M | 1.32-1.38T | =987kA/m | =1114kA/m | 334-366kJ/m3 | =100? | |
13.2-13.8kGs | =12.4kOe | =14kOe | 42-46MGOe | |||
N48M | 1.37-1.43T | =1019kA/m | =1114kA/m | 358-390kJ/m3 | =100? | |
13.7-14.3kGs | =12.8kOe | =14kOe | 45-49MGOe | |||
N50M | 1.40-1.45T | =1043kA/m | =1114kA/m | 374-406kJ/m3 | =100? | |
14.0-14.5kGs | =13.1kOe | =14kOe | 47-51MGOe | |||
N52M | 1.42-1.48T | =1059kA/m | =1114kA/m | 390-422kJ/m3 | =100? | |
14.2-14.8kGs | =13.3kOe | =14kOe | 49-53MGOe | |||
H | N35H | 1.17-1.24T | =876kA/m | =1350kA/m | 263-295kJ/m3 | =120? |
11.7-12.4kGs | =11kOe | =17kOe | 33-37MGOe | |||
N38H | 1.22-1.30T | =915kA/m | =1350kA/m | 287-318kJ/m3 | =120? | |
12.2-13.0kGs | =11.5kOe | =17kOe | 36-40MGOe | |||
N40H | 1.26-1.32T | =939kA/m | =1350kA/m | 302-334kJ/m3 | =120? | |
12.6-13.2kGs | =11.8kOe | =17kOe | 38-42MGOe | |||
N42H | 1.29-1.35T | =963kA/m | =1350kA/m | 318-350kJ/m3 | =120? | |
12.9-13.5kGs | =12.1kOe | =17kOe | 40-44MGOe | |||
N45H | 1.31-1.37T | =979kA/m | =1350kA/m | 335-366kJ/m3 | =120? | |
13.1-13.7kGs | =12.3kOe | =17kOe | 42-46MGOe | |||
N48H | 1.37-1.43T | =1011kA/m | =1274kA/m | 358-390kJ/m3 | =120? | |
13.7-14.3kGs | =12.7kOe | =16kOe | 45-49MGOe | |||
N50H | 1.40-1.45T | =1027kA/m | =1274kA/m | 374-406kJ/m3 | =120? | |
14.0-14.5kGs | =12.9kOe | =16kOe | 47-51MGOe | |||
SH | N33SH | 1.14-1.21T | =852kA/m | =1592kA/m | 247-279kJ/m3 | =150? |
11.4-12.1kGs | =10.7kOe | =20kOe | 31-35MGOe | |||
N35SH | 1.17-1.24T | =876kA/m | =1592kA/m | 263-295kJ/m3 | =150? | |
11.7-12.4kGs | =11kOe | =20kOe | 33-37MGOe | |||
N38SH | 1.22-1.29T | =915kA/m | =1592kA/m | 287-318kJ/m3 | =150? | |
12.2-12.9kGs | =11.5kOe | =20kOe | 36-40MGOe | |||
N40SH | 1.26-1.32T | =939kA/m | =1592kA/m | 302-334kJ/m3 | =150? | |
12.6-13.2kGs | =11.8kOe | =20kOe | 38-42MGOe | |||
N42SH | 1.29-1.35T | =963kA/m | =1592kA/m | 318-350kJ/m3 | =150? | |
12.9-13.5kGs | =12.1kOe | =20kOe | 40-44MGOe | |||
N45SH | 1.32-1.38T | =994kA/m | =1592kA/m | 335-366kJ/m3 | =150? | |
13.2-13.8kGs | =12.5kOe | =20kOe | 42-46MGOe | |||
UH | N30UH | 1.08-1.16T | =812kA/m | =1990kA/m | 223-255kJ/m3 | =180? |
10.8-11.6kGs | =10.2kOe | =25kOe | 28-32MGOe | |||
N33UH | 1.14-1.21T | =852kA/m | =1990kA/m | 247-279kJ/m3 | =180? | |
11.4-12.1kGs | =10.7kOe | =25kOe | 31-35MGOeMGOe | |||
N35UH | 1.17-1.24T | =876kA/m | =1990kA/m | 263-295kJ/m3 | =180? | |
11.7-12.4kGs | =11kOe | =25kOe | 33-37MGOe | |||
N38UH | 1.22-1.29T | =915kA/m | =1990kA/m | 287-318kJ/m3 | =180? | |
12.2-12.9kGs | =11.5kOe | =25kOe | 36-40MGOe | |||
N40UH | 1.26-1.32T | =939kA/m | =1990kA/m | 302-334kJ/m3 | =180? | |
12.6-13.2kGs | =11.8kOe | =25kOe | 38-42MGOe | |||
N42UH | 1.29-1.35T | =963kA/m | =1990kA/m | 318-350kJ/m3 | =180? | |
12.9-13.5kGs | =12.1kOe | =25kOe | 40-44MGOe | |||
EH | N30EH | 1.08-1.15T | =812kA/m | =2388kA/m | 223-255kJ/m3 | =200? |
10.8-11.5kGs | =10.2kOe | =30kOe | 28-32MGOe | |||
N33EH | 1.14-1.21T | =851kA/m | =2388kA/m | 247-279kJ/m3 | =200? | |
11.4-12.1kGs | =10.7kOe | =30kOe | 31-35MGOe | |||
N35EH | 1.17-1.24T | =876kA/m | =2388kA/m | 263-295kJ/m3 | =200? | |
11.7-12.4kGs | =11kOe | =30kOe | 33-37MGOe | |||
N38EH | 1.22-1.29T | =915kA/m | =2388kA/m | 287-318kJ/m3 | =200? | |
12.2-12.9kGs | =11.5kOe | =30kOe | 36-40MGOe | |||
AH | N28AH | 1.04-1.12T | =772kA/m | =2786kA/m | 207-239kJ/m3 | =230? |
10.4-11.2kGs | =9.70kOe | =35kOe | 26-30MGOe | |||
N30AH | 1.08-1.15T | =812kA/m | =2786kA/m | 223-255kJ/m3 | =230? | |
10.8-11.5kGs | =10.2kOe | =35kOe | 28-32MGOe | |||
N33AH | 1.14-1.21T | =852kA/m | =2786kA/m | 247-279kJ/m3 | =230? | |
11.4-12.1kGs | =10.7kOe | =35kOe | 31-35MGOe |
SIZE
size | Outer Diameter/Length | Inner diameter/Width | Thickness | |
Maximum | 150mm |
| 50.00mm | |
Minimum | 1mm |
| 0.50mm | |
Maximum | 100mm | 100mm | 50.00mm | |
Minimum | 0.5mm | 0.50mm | 0.50mm | |
Maximum | 150mm | 140mm | 50.00mm | |
Minimum | 1.00mm | 0.60mm | 0.50mm | |
Segment, Arc and other irregular shapes can be made according to customer's samples or drawing. |
MAGNETIZATION DIRECTION
Axial | Diametrical | Axial | Diametrical |
Thickness | Length | Axial | Diametrical |
Diametrical | Diametrical | Width | Thickness |
THE FLOW CHART FOR THE PRODUCTION OF SINTERED NDFEB MAGNETS
SMELTING DETAILS
SINTERING PROCESS
ELECTROPLATING PROCESS
PRODUCT ADVANTAGE
QUALITY
APPLICATIONS
Used in electronic, electrical machinery, medical equipment, toys, packaging, metal machinery, aerospace and other fields, the more common permanent magnet motor, speaker, magnetic separator, computer disk drive, household appliances, digital cameras, mobile phones, stationery, handicrafts, magnetic resonance imaging equipment, etc.
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