Aureate Small Round Piece Magnet/Overgild Magnet

• Customization: Available
• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Shape: Disc
• Model NO.: coco
• Coating: Nickel
• Grade: N35-N54-36H
• Size: Acceptable Custom
• Application Field: Permanent-Magnet Loudspeaker
• Type: Permanent
• Composition: NdFeB Magnet
• Transport Package: According to Your Request
• Specification: RoHs
• Trademark: COCO
• Origin: Zhejiang Ningbo China
• Production Capacity: 2000t/Y

Product Description

Product Name: Aureate Small Round Piece Magnet/Overgild Magnet

Magnets grade: N42
Magnets size: As the drawing
Magnetism direction: Which direction to oriented The north pole and south pole
Magnets coating: Gold
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
Tell us which features you desire in a magnet and the quantity you will require.
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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.