• Specialized Oil-Field Motor Magnetic Square Block
  • Specialized Oil-Field Motor Magnetic Square Block
  • Specialized Oil-Field Motor Magnetic Square Block
  • Specialized Oil-Field Motor Magnetic Square Block
  • Specialized Oil-Field Motor Magnetic Square Block
  • Specialized Oil-Field Motor Magnetic Square Block

Specialized Oil-Field Motor Magnetic Square Block

Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Shape: Bar
Coating: Zinc
Grade: N35-N54-36H
Application Field: Permanent-Magnet Oil-Field Motor
Size: Acceptable Custom
Samples:
US$ 10/Piece 1 Piece(Min.Order)
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Customization:

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Basic Info.

Model NO.
coco
Type
Permanent
Composition
Rare Earth Magnet
Transport Package
According to Your Request
Specification
RoHs
Trademark
COCO
Origin
Zhejiang Ningbo China
HS Code
3352968184
Production Capacity
2000t/Y

Product Description

Product Name: Magnetic Square Block

Materials Trademark:
N35-N50, 33M-48M, 30H-45H, 27SH-45SH, 25UH-40UH, 23EH-38EH
All Trademarks are available.
Working Temperature: 80-200(° C)

Product Feature:
Produced by the powder metallurgical method with chemical composition of ND2Fe14B
Very brittle and hard
Poorest corrosion resistance of all commercial magnetic material
High resistance to magnetic demagnetization
Excellent cost to performance ratio
Reasonable temperature stability
Not suitable for application which exposed to high temperatures

NdFeB permanent magnet is mainly used in Micro-motor, Electronic Industry, Car Industry, Petrochemical, NMR devices, Sound equipments, Maglev System, Magnetic drive and Magnetotherapy system, and its also used in Motorbikes, Car oil-duct's magnetization, with the aim of saving oil.
Earth permanent magnet (NdFeB) has the strongest magnetism nowadays. It does not only has high remanence, high coercivity, high energy product, and high-functional, but also it can processed into a variety of sizes easily. Now, it is widely used in avigation, spaceflight, electron, electrical sound, electrical machinery, apparatus, meters, medical technology, and especially apply to develop high-performance, small and light replacements.

Our factory produce and manufacture magnets according to customer's design on shape, dimension, grades, coatings etc.
To offer you our magnets price, please offer the following details:
Magnets grade: From N35 To N50, from N Series to UH Series.
Magnets size: As the drawing
Magnetism direction: Which direction to oriented The north pole and south pole
Magnets coating: Nickel, Zn, Black Epoxy, AG, Au etc.
Quantities: More mass order quantities. More Lower the prices. Original factory.

If you haven't been able to find your desired size or strength in our website?
We can send you a price quotation for exactly the magnet you wish...At no obligation to you. Here's how it works:
We can offer you not only standard forms (Disc/Rod, Block, Cube, Sphere, Ring). But also special demands, like borings, grades, countersinks, pole markers, etc.
Tell us which features you desire in a magnet (shape, size, strength, surface coating, and temperature resistance) and the quantity you will require.
You will receive our price quotation via e-mail within a day.
You will be under no obligation to buy.

When inquiring or ordering, please send us following information
1. Type of magnet (material & grade)
2. Quantity (annual and per shipment)
3. Shape and dimensions (drawing if necessary)
4. Direction of magnetization
5. Magnetized or unmagnetized
6. Details of surface treatment
7. Application if possible
8. Other information and/or requirements

We hope to cooperate with you. Thank you.
Magnetic  properties  of  Sintered  Neodymium  Magnet  (NdFeB  magnet):
Grade Remanence Coercive  Force Intrinsic Coercive  Force Max.   energy  product Max. Operating Temperature
Br mT (kGs) Hcb kA/m (kOe) Hcj kA/m (kOe) (  BH  )max  kJ/m 3 (MGOe) Tw
N35 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   955 (  ≥   12) 263-287 (33-36) 80  deg
N38 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   955 (  ≥   12) 287-310 (36-39) 80  deg
N40 1250-1280 (12.5-12.8) ≥   907 (  ≥   11.4) ≥   955 (  ≥   12) 302-326 (38-41) 80  deg
N42 1280-1320 (12.8-13.2) ≥   915 (  ≥   11.5) ≥   955 (  ≥   12) 318-342 (40-43) 80  deg
N45 1320-1380 (13.2-13.8) ≥   923 (  ≥   11.6) ≥   955 (  ≥   12) 342-366 (43-46) 80  deg
N48 1380-1420 (13.8-14.2) ≥   923 (  ≥   11.6) ≥   876 (  ≥   12) 366-390 (46-49) 80  deg
N50 1400-1450 (14.0-14.5) ≥   796 (  ≥   10.0) ≥   876 (  ≥   11) 382-406 (48-51) 60  deg
N52 1430-1480 (14.3-14.8) ≥   796 (  ≥   10.0) ≥   876 (  ≥   11) 398-422 (50-53) 60  deg
30M 1080-1130 (10.8-11.3) ≥   796 (  ≥   10.0) ≥   1114 (  ≥   14) 223-247 (28-31) 100 deg
33M 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   1114 (  ≥   14) 247-263 (31-33) 100 deg
35M 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   1114 (  ≥   14) 263-287 (33-36) 100 deg
38M 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   1114 (  ≥   14) 287-310 (36-39) 100 deg
40M 1250-1280 (12.5-12.8) ≥   923 (  ≥   11.6) ≥   1114 (  ≥   14) 302-326 (38-41) 100 deg
42M 1280-1320 (12.8-13.2) ≥   955 (  ≥   12.0) ≥   1114 (  ≥   14) 318-342 (40-43) 100 deg
45M 1320-1380 (13.2-13.8) ≥   995 (  ≥   12.5) ≥   1114 (  ≥   14) 342-366 (43-46) 100 deg
48M 1360-1430 (13.6-14.3) ≥   1027 (  ≥   12.9) ≥   1114 (  ≥   14) 366-390 (46-49) 100 deg
50M 1400-1450 (14.0-14.5) ≥   1033 (  ≥   13.0) ≥   1114 (  ≥   14) 382-406 (48-51) 100 deg
30H 1080-1130 (10.8-11.3) ≥   796 (  ≥   10.0) ≥   1353 (  ≥   17) 223-247 (28-31) 120 deg
33H 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   1353 (  ≥   17) 247-271 (31-34) 120 deg
35H 1170-1220 (11.7-12.2) ≥   868 (  ≥   10.9) ≥   1353 (  ≥   17) 263-287 (33-36) 120 deg
38H 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   1353 (  ≥   17) 287-310 (36-39) 120 deg
40H 1250-1280 (12.5-12.8) ≥   923 (  ≥   11.6) ≥   1353 (  ≥   17) 302-326 (38-41) 120 deg
42H 1280-1320 (12.8-13.2) ≥   955 (  ≥   12.0) ≥   1353 (  ≥   17) 318-342 (40-43) 120 deg
45H 1300-1360 (13-13.6) ≥   963 (  ≥   12.1) ≥   1353 (  ≥   17) 326-358 (43-46) 120 deg
48H 1370-1430 (13.7-14.3) ≥   995 (  ≥   12.5) ≥   1353 (  ≥   17) 366-390 (46-49) 120 deg
30SH 1080-1130 (10.8-11.3) ≥   804 (  ≥   10.1) ≥   1592 (  ≥   20) 223-247 (28-31) 150 deg
33SH 1130-1170 (11.3-11.7) ≥   844 (  ≥   10.6) ≥   1592 (  ≥   20) 247-271 (31-34) 150 deg
35SH 1170-1220 (11.7-12.2) ≥   876 (  ≥   11.0) ≥   1592 (  ≥   20) 263-287 (33-36) 150 deg
38SH 1220-1250 (12.2-12.5) ≥   907 (  ≥   11.4) ≥   1592 (  ≥   20) 287-310 (36-39) 150 deg
40SH 1240-1280 (12.5-12.8) ≥   939 (  ≥   11.8) ≥   1592 (  ≥   20) 302-326 (38-41) 150 deg
42SH 1280-1320 (12.8-13.2) ≥   987 (  ≥   12.4) ≥   1592 (  ≥   20) 318-342 (40-43) 150 deg
45SH 1320-1380 (13.2-13.8) ≥   1003 (  ≥   12.6) ≥   1592 (  ≥   20) 342-366 (43-46) 150 deg
28UH 1020-1080  (10.2-10.8) ≥   764 (  ≥   9.6) ≥   1990 (  ≥   25) 207-231 (26-29) 180 deg
30UH 1080-1130  (10.8-11.3) ≥   812 (  ≥   10.2) ≥   1990 (  ≥   25) 223-247 (28-31) 180 deg
33UH 1130-1170 (11.3-11.7) ≥   852 (  ≥   10.7) ≥   1990 (  ≥   25) 247-271 (31-34) 180 deg
35UH 1180-1220 (11.8-12.2) ≥   860 (  ≥   10.8) ≥   1990 (  ≥   25) 263-287 (33-36) 180 deg
38UH 1220-1250 (12.2-12.5) ≥   876 (  ≥   11.0) ≥   1990 (  ≥   25) 287-310 (36-39) 180 deg
40UH 1240-1280 (12.5-12.8) ≥   899 (  ≥   11.3) ≥   1990 (  ≥   25) 302-326 (38-41) 180 deg
28EH 1040-1090 (10.4-10.9) ≥   780 (  ≥   9.8) ≥   2388 (  ≥   30) 207-231 (26-29) 200 deg
30EH 1080-1130  (10.8-11.3) ≥   812 (  ≥   10.2) ≥   2388 (  ≥   30) 223-247 (28-31) 200 deg
33EH 1130-1170 (11.3-11.7) ≥   836 (  ≥   10.5) ≥   2388 (  ≥   30) 247-271 (31-34) 200 deg
35EH 1170-1220 (11.7-12.2) ≥   876 (  ≥   11.0) ≥   2388 (  ≥   30) 263-287 (33-36) 200 deg
38EH 1220-1250 (12.2-12.5) ≥   899 (  ≥   11.3) ≥   2388 (  ≥   30) 287-310 (36-39) 200 deg
30AH 1080-1120 (10.8-11.2) ≥   812 (  ≥   10.2) ≥   2785 (  ≥   35) 223-255 (28-32) 220 deg
33AH 1120-1170 (11.2-11.7) ≥   812 (  ≥   10.2) ≥   2785 (  ≥   35) 247-271 (31-34) 220 deg
Physical  and  Mechanical  Properties  of  Neodymium  Magnet:          
Thermal  Conductivity 7.7  kcal/m-h-° C
Young' s  Modulus 1.7  x  104  kg/mm2
Bending  Strength 24  kg/mm2
Compressive  Strength 80  kg/mm2
Electrical  Resistivity 160  µ -ohm-cm/cm2
Density 7.4-7.55  g/cm3
Vickers  Hardness 500  -  600
Available  coatings  for  sintered  Neodymium  Magnet  (NdFeB  magnet):
Available  Coatings:  
Surface Coating Thickness  (Microns) Color Resistance  
Passivation   1 Silver  Grey Temporary  Protection  
Nickel Ni+Ni 10.0-20 Bright  Silver Excellent  against  Humidity  
Ni+Cu+Ni  
Zinc Zn 8.0-20 Bright  Blue Good  Against  Salt  Spray  
C-Zn Shinny  Color Excellent  Against  Salt  Spray  
Tin Ni+Cu+Sn 15-20 Silver Superior  Against  Humidity  
Gold Ni+Cu+Au 10.0-20 Gold Superior  Against  Humidity  
Copper Ni+Cu 10.0-20 Gold Temporary  Protection  
Epoxy Epoxy 15-25 Black,   Red,   Grey Excellent  Against  Humidity &   Salt  Spray  
Ni+Cu+Epoxy  
Zn+Epoxy  
Chemical Ni 10.0-20 Silver  Grey Excellent  Against  Humidity  
Parylene Parylene 5.0-20 Grey Excellent  Against  Humidity,   Salt  Spray.   Superior  Against  Solvents, Gases,   Fungi  and  Bacteria. FDA  Approved.

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