Permanent Ring Magnet Exporters – Sintered NdFeB Block / Cube / Bar Magnets Overview

Permanent Ring Magnet Exporters – Sintered NdFeB Block / Cube / Bar Magnets Overview – Honsen

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Permanent Ring Magnet Exporters – Sintered NdFeB Block / Cube / Bar Magnets Overview – Honsen Detail:

Features

Honsen offers neodymium magnets in square and rectangular blocks. These neodymium Iron Boron magnets are widely used for motor, sensor and holding applications. Neodymium block magnet is the most powerful rare earth magnet, which provides huge cost and performance return. It has the highest field / surface strength (Br) and high coercivity (Hcj), and can be easily machined to various shapes and sizes. It is an ideal choice from industrial and technological applications to your projects. Contact us for an efficient magnet solutions for your project.

• Neo magnets are the most powerful commercially produced magnets.

• Permanent Nib magnets are hard and brittle and may chip or break if dropped.

• Honsen Neodymium block magnets can be magnetized through the length width and thickness.

• Uncoated rare earth magnets may corrode in humid conditions.

• Operating temperatures vary among material grades. For a comparison of neodymium material grades, please visit our chart of material properties.

N Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N55	14.7-15.3	≥10.8	≥11	52-56	80
2	N52	14.3-14.8	≥10.8	≥12	50-53	80
3	N50	14.0-14.5	≥10.8	≥12	48-51	80
4	N48	13.8-14.2	≥10.5	≥12	46-49	80
5	N45	13.2-13.8	≥11.0	≥12	43-46	80
6	N42	12.8-13.2	≥11.6	≥12	40-43	80
7	N40	12.5-12.8	≥11.6	≥12	38-41	80
8	N38	12.2-12.5	≥11.3	≥12	36-39	80
9	N35	11.7-12.2	≥10.9	≥12	33-36	80
10	N33	11.3-11.8	≥10.5	≥12	31-34	80
11	N30	10.8-11.3	≥10.0	≥12	28-31	80

M Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N52M	14.3-14.8	≥13.0	≥14	50-53	100
2	N50M	14.0-14.5	≥13.0	≥14	48-51	100
3	N48M	13.8-14.3	≥12.9	≥14	46-49	100
4	N45M	13.3-13.8	≥12.5	≥14	43-46	100
5	N42M	12.8-13.3	≥12.0	≥14	40-43	100
6	N40M	12.5-12.8	≥11.6	≥14	38-41	100
7	N38M	12.2-12.5	≥11.3	≥14	36-39	100
8	N35M	11.7-12.2	≥10.9	≥14	33-36	100
9	N33M	11.3-11.8	≥10.5	≥14	31-34	100
10	N30M	10.8-11.3	≥10.0	≥14	28-31	100

H Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N52H	14.2-14.7	≥13.2	≥17	50-53	120
2	N50H	14.0-14.5	≥13.0	≥17	48-51	120
3	N48H	13.8-14.3	≥13.0	≥17	46-49	120
4	N45H	13.3-13.8	≥12.7	≥17	43-46	120
5	N42H	12.8-13.3	≥12.5	≥17	40-43	120
6	N40H	12.5-12.8	≥11.8	≥17	38-41	120
7	N38H	12.2-12.5	≥11.3	≥17	36-39	120
8	N35H	11.7-12.2	≥11.0	≥17	33-36	120
9	N33H	11.3-11.8	≥10.6	≥17	31-34	120
10	N30H	10.8-11.3	≥10.2	≥17	28-31	120

SH Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N52SH	14.3-14.5	≥11.7	≥20	51-54	150
2	N50SH	14.0-14.5	≥13.0	≥20	48-51	150
3	N48SH	13.7-14.3	≥12.6	≥20	46-49	150
4	N45SH	13.3-13.7	≥12.5	≥20	43-46	150
5	N42SH	12.8-13.4	≥12.1	≥20	40-43	150
6	N40SH	12.6-13.1	≥11.9	≥20	38-41	150
7	N38SH	12.2-12.9	≥11.7	≥20	36-39	150
8	N35SH	11.7-12.4	≥11.0	≥20	33-36	150
9	N33SH	11.3-11.7	≥10.6	≥20	31-34	150
10	N30SH	10.8-11.3	≥10.1	≥20	28-31	150

UH Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N45UH	13.1-13.6	≥12.2	≥25	43-46	180
2	N42UH	12.8-13.4	≥12.0	≥25	40-43	180
3	N40UH	12.6-13.1	≥11.8	≥25	38-41	180
4	N38UH	12.2-12.9	≥11.5	≥25	36-39	180
5	N35UH	11.7-12.4	≥11.0	≥25	33-36	180
6	N33UH	11.4-12.1	≥10.6	≥25	31-34	180
7	N30UH	10.8-11.3	≥10.5	≥25	28-31	180
8	N28UH	10.5-10.8	≥9.6	≥25	26-30	180

EH Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N42EH	12.8-13.2	≥12.0	≥30	40-43	200
2	N40EH	12.4-13.1	≥11.8	≥30	38-41	200
3	N38EH	12.2-12.7	≥11.5	≥30	36-39	200
4	N35EH	11.7-12.4	≥11.0	≥30	33-36	200
5	N33EH	11.4-12.1	≥10.8	≥30	31-34	200
6	N30EH	10.8-11.5	≥10.2	≥30	28-31	200
7	N28EH	10.4-10.9	≥9.8	≥30	26-29	200

AH Grade Magnets
No	Grade	Br (kGs)	Hcb (kOe)	Hcj (kOe)	（BH）max (MGOe)	Tw (℃)
1	N38AH	12.2-12.5	≥11.4	≥35	36-39	240
2	N35AH	11.6-12.3	≥10.9	≥35	33-36	240
3	N33AH	11.4-12.1	≥10.7	≥35	31-34	240
4	N30AH	10.8-11.5	≥10.2	≥35	28-31	240

Gluing Magnets

Neodymium magnets are often assembled into products using strong adhesives such as Loctite 326 (Adhesive with metal materials and magnets). Make sure that all contact surfaces are clean and dry prior to bonding. Other glue types are always used up to the materials which magnets are applied with. For more information, please contact our experts.

Application of Block Magnets

-Life Consumption: Clothes, Bag, Leather Case, Cup, Glove, Jewelry, Pillow, Fish Tank, Photo Frame, Watch;

-Electronic Product: Keyboard, Display, Smart Bracelet, Computer, Mobile Phone, Sensor, GPS Locator, Bluetooth, Camera, Audio, LED;

-Home-based: Lock, Table, Chair, Cupboard, Bed, Curtain, Window, Knife, Lighting, Hook, Ceiling;

-Mechanical Equipment & Automation: Motor, Unmanned Aerial Vehicles, Elevators, Security Monitoring, Dishwashers, Magnetic Cranes, Magnetic Filter.

Handle with care!

Please use caution when handling magnetized neodymium magnets, their exceptional magnetic force may cause them to attract to metal (or to each other) so strongly that fingers in their path could prove painful.