China OEM/ODM Manufacturer China Ferrite Neodymium AlNiCo SmCo Magnet Block Magnet Tile Charging Machine factory and manufacturers

OEM/ODM Manufacturer China Ferrite Neodymium AlNiCo SmCo Magnet Block Magnet Tile Charging Machine

Short Description:

Hard ferrites based on barium ferrite and strontium powders (chemical formula BaO • 6Fe2O3 and SrO • 6Fe2O3) manufactured. They consist of oxidized metals, thus included in the ceramic materials group. They consist of approx. 90% iron oxide (Fe2O3) and 10% alkaline earth oxide (BaO or SrO) – raw materials which are plentiful and inexpensive. They divide into isotropic and anisotropic, the particles of the latter are aligned in a single
direction which obtaining better magnetic characteristics. Isotropic magnets are shaped by compressing while anisotropic magnets are compressed within a magnetic field. This provides the magnet with a preferential direction and triples its energy density.

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Quality First,and Client Supreme is our guideline to deliver the very best assistance to our shoppers.These days, we have been trying our greatest to be amongst the ideal exporters inside our field to fulfill consumers extra will need forChina Magnet,Magnet Charging Machine, Our products are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.

Sintered Ferrite Magnet Physical Properties
Grade	Remanence	Rev. Temp. Coeff. Of Br	Coercive Force	Intrinsic Coercive Force	Rev. Temp.-Coeff. Of Hcj	Max. Energy Product	Max. Operating Temperature	Density
Grade	Br (KGs)	Rev. Temp. Coeff. Of Br	Hcb (YOU)	Hcj (YOU)	Rev. Temp.-Coeff. Of Hcj	(BH)max. (MGOe)	Max. Operating Temperature	g/cm³
Y10T	2.0-2.35	-0.20	1.57-2.01	2.64-3.52	+0.30	0.8-1.2	250℃	4.95
Y20	3.2-3.8	-0.20	1.70-2.38	1.76-2.45	+0.30	2.3-2.8	250℃	4.95
Y22H	3.1-3.6	-0.20	2.77-3.14	3.52-4.02	+0.30	2.5-3.2	250℃	4.95
Y23	3.2-3.7	-0.20	2.14-2.38	2.39-2.89	+0.30	2.5-3.2	250℃	4.95
Y25	3.6-4.0	-0.20	1.70-2.14	1.76-2.51	+0.30	2.8-3.5	250℃	4.95
Y26H	3.6-3.9	-0.20	2.77-3.14	2.83-3.21	+0.30	2.9-3.5	250℃	4.95
Y27H	3.7-4.0	-0.20	2.58-3.14	2.64-3.21	+0.30	3.1-3.7	250℃	4.95
Y28	3.7-4.0	-0.20	2.20-2.64	2.26-2.77	+0.30	3.3-3.8	250℃	4.95
Y30	3.7-4.0	-0.20	2.20-2.64	2.64-2.77	+0.30	3.3-3.8	250℃	4.95
Y30H-1	3.8-4.0	-0.20	2.89-3.46	2.95-3.65	+0.30	3.4-4.1	250℃	4.95
Y30BH	3.8-3.9	-0.20	2.80-2.95	2.90-3.08	+0.30	3.4-3.7	250℃	4.95
Y30-1	3.6-4.0	-0.20	1.70-2.14	1.76-2.51	+0.30	2.8-3.5	250℃	4.95
Y30BH-1	3.8-4.0	-0.20	2.89-3.46	2.95-3.65	+0.30	3.4-4.0	250℃	4.95
Y30H-2	3.95-4.15	-0.20	3.46-3.77	3.90-4.21	+0.30	3.5-4.0	250℃	4.95
Y20-2	3.95-4.15	-0.20	3.46-3.77	3.90-4.21	+0.30	3.5-4.0	250℃	4.95
Y32	4.0-4.2	-0.20	2.01-2.38	2.07-2.45	+0.30	3.8-4.2	250℃	4.95
Y33	4.1-4.3	-0.20	2.77-3.14	2.83-3.21	+0.30	4.0-4.4	250℃	4.95
Y35	4.0-4.1	-0.20	2.20-2.45	2.26-2.51	+0.30	3.8-4.0	250℃	4.95

Note: · We remain the same as above unless specified from customer. Curie temperature and temperature coefficient are for reference only, not as a basis for decision.· The maximum working temperature of magnet is changeable due to ratio of length and diameter and environment factors.

Advantage:

As is typical of oxide ceramics, hard ferrite magnets display relatively resistant behavior towards moisture, solvents, alkaline solutions,

weak acids, salts, lubricants and gas pollutants. Generally, hard ferrite magnets can therefore be used without additional corrosion protection.
Feature:
Due to their great hardness (6-7 Mohs), Ferrite magnets are brittle and sensitive to knocks or bending. During processing, they have to be machined with diamond tools. Operating temperatures with ferrite magnets are generally between –40ºC and 250ºC.

Application:

Different shapes are used in utomotive engineering, such as automation and measurement control. Other applications such as Automobile electrical machinery (wipers, sit chair motor), Teaching, Door absorber, Magnetic bike and massage chair, etc.

Today, hard ferrites represent the largest proportion of permanent magnets produced. In contrast to AlNiCo magnets, hard ferrites are characterized by flux densities but high coercive field strengths. This results in the generally flat shape of the materials. Barium ferrite and strontium ferrite are differentiated depending on the starting material.

All stated values were determined using standard samples according IEC 60404-5. The following specifications serve as reference values and may differ.

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