N50 Sintered Neodymium Ring Magnets 80 - 240 Degrees C High Plasticity CJ172 manufacturer from China Shanghai CJ Magnet Industry Co., Ltd.

N50 Sintered Neodymium Ring Magnets 80 - 240 Degrees C High Plasticity

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: CJ172

N50 Sintered Neodymium Ring Magnets 80 - 240 Degrees C High Plasticity<s

N50 Sintered Neodymium Ring Magnets 80 - 240 Degrees C High Plasticity

N50 sintered Neodymium Ring Magnets have ROHS SGS ISO9001 certificates and coating with NI ZN Epoxy etc

1 quick detail

Sintered NdFeB magnet	Strong permanent magnet with magnetic properties
Grades	N33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH AH)
Coatings	Nickel, Ni-Cu-Ni, Zinc, white-blue Zn, Black epoxy resin, Gold
Sizes	customized
Shapes	Disc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes
Tolerance	+/-0.05mm unless specified.
Magnetized direction	Through thickness, diameter, axial, etc
Maximum working temperature	80 to 240 degrees C
Delivery time	Within 7-15 work days when order confirmed
Package Condition	Standard air/sea protective package, unless specified.

2 manufacture process

Main steps:

1 raw material ready

2 strip casting

3 hydrogen broken

4 jet milling

5 magnetic pressing

6 sintering

7 magnetic property test

8 machining

9 electroplating

10 inspection

1.5mm N40 / N42 Neodymium Block Magnets for Speakers / Earphones

3 Coating

surface	coating	color	Thickness(um)	SST	PCT
Nickel	NI(NICUNI)	Bright silver	10-20	>24-72	>24-72
Cr3+Zinc	Zn/C-Zn		5-8	>16-48
Sn	NI+CU+NI+Sn	silver	10-25	>36-72	>48
Epoxy	Epoxy	Black/grey	10-20	>48
Passivation		Dark gray	1-3	Temporary protection
Phosphate		Dark gray	1-3	Temporary protection

4 type and grade

type	grade	max work temperature
N	N35-N52	80
NM	N35M-N50M	100
NH	N30H-N48H	120
NSH	N30SH-N45SH	150
NUH	N30UH-N40UH	180
NEH	N30EH-N38EH	200
NAH	N30AH-N33AH	240

5 FAQ

1, Can you do the seicial designs for us?
Of course ,We have a professional team having rich experience in design and manufacturing just send us your design and tell us the dimensional tolerance, and we will produce the special moulds for your products and produce the products.

2, When can I inquiry or email or calling or skype you ?
We usually quote within 24 hours after we get your inquiry . If you are very urgent to get the price , please call us or tell us in your email so that we would regard your inquiry priority .
3, How can I get a sample to check your quality ?
After price confirmation , you can require for samples to check our quality . If you need the samples , we will charge for the sample cost . But the sample cost can be refundable after order confirmation when your quantity of the order is more about the MOQ .

6 why choose us

1 we have professional design produce and sales teams.

2 we have professional and advanced machines

3 our products are all in high quality

4 we have good after-service

5 all manufacture steps can be finished by our own.