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HIGH GRADE MAGNET STEEL
(SH / UH / EH / AH SERIES)
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High grade magnet steel (SH / UH / EH / AH series)

Ketian Magnet's high-grade magnets have excellent high temperature characteristics and are in the leading position in the industry in terms of consistency and stability. There are a wide range of customer bases and application cases in the fields of automobiles, industrial motors, compressors, generators, etc.

High grade magnet steel (SH / UH / EH / AH series) Certifications


High grade magnet steel (SH / UH / EH / AH series) Performance Advantages

  • High stability
  • Good overall performance

High grade magnet steel (SH / UH / EH / AH series) Application fields

Industrial Motor

Air-conditioning Compressor

EPS


High grade magnet steel (SH / UH / EH / AH series) Performance parameterdownload

No Grade Magnetic properties of SH-series Magnet
Max Working Temp Tw(℃)
Remanence,Br mT or kGs Coercivity,Hcb kA/m or kOe Intrinsic Coercivity,Hcj kA/m or kOe Maximium Energy Product,(BH)max kJ/m³ or kOe
1 N52SH 1430-1450(14.3-14.5) ≥1592(≥20) 406-430(51-54) 150
2 N50SH 1400-1450(14.0-14.5) ≥1035(≥13.0) ≥1592(≥20) 382-406(48-51) 150
3 N48SH 1370-1430(13.7-14.3) ≥1003(≥12.6) ≥1592(≥20) 366-390(46-49) 150
4 N45SH 1330-1370(13.3-13.7) ≥995(≥12.5) ≥1592(≥20) 342-366(43-46) 150
5 N42SH 1280-1340(12.8-13.4) ≥963(≥12.1) ≥1592(≥20) 318-342(40-43) 150
6 N40SH 1260-1310(12.6-13.1) ≥947(≥11.9) ≥1592(≥20) 302-326(38-41) 150
7 N38SH 1220-1290(12.2-12.9) ≥931(≥11.7) ≥1592(≥20) 287-310(36-39) 150
8 N35SH 1170-1240(11.7-12.4) ≥875(≥11.0) ≥1592(≥20) 263-287(33-36) 150
9 N33SH
1130-1170(11.3-11.7) ≥844(≥10.6) ≥1592(≥20) 247-271(31-34) 150
10 N30SH 1080-1130(10.8-11.3) ≥804(≥10.1) ≥1592(≥20) 223-247(28-31) 150

 

No Grade Magnetic properties of UH-series Magnet Max Working Temp Tw(℃)
Remanence,Br mT or kGs Coercivity,Hcb kA/m or kOe Intrinsic Coercivity,Hcj kA/m or kOe Maximium Energy Product,(BH)max kJ/m³ or kOe
1 N45UH 1310-1360(13.1-13.6) ≥971(≥12.2) ≥1990(≥25) 342-366(43-46) 180
2 N42UH 1280-1340(12.8-13.4) ≥955(≥12.0) ≥1990(≥25) 318-342(40-43) 180
3 N40UH 1260-1310(12.6-13.1) ≥939(≥11.8) ≥1990(≥25) 302-326(38-41) 180
4 N38UH 1220-1290(12.2-12.9) ≥915(≥11.5) ≥1990(≥25) 287-310(36-39) 180
5 N35UH 1170-1240(11.7-12.4) ≥875(≥11.0) ≥1990(≥25) 263-287(33-36) 180
6 N33UH 1140-1210(11.4-12.1) ≥844(≥10.6) ≥1990(≥25) 247-271(31-34) 180
7 N30UH 1080-1130(10.8-11.3) ≥835(≥10.5) ≥1990(≥25) 223-247(28-31) 180
8 N28UH 1050-1080(10.5-10.8) ≥764(≥9.6) ≥1990(≥25) 207-239(26-30) 180

 

No Grade Magnetic properties of EH-series Magnet Max Working Temp Tw(℃)
Remanence,Br mT or kGs Coercivity,Hcb kA/m or kOe Intrinsic Coercivity,Hcj kA/m or kOe Maximium Energy Product,(BH)max kJ/m³ or kOe
1 N42EH 1280-1320(12.8-13.2) ≥955(≥12.0) ≥2388(≥30) 318-342(40-43) 200
2 N40EH 1240-1310(12.4-13.1) ≥939(≥11.8) ≥2388(≥30) 302-326(38-41) 200
3 N38EH 1220-1270(12.2-12.7) ≥915(≥11.5) ≥2388(≥30) 287-310(36-39) 200
4 N35EH 1170-1240(11.7-12.4) ≥876(≥11.0) ≥2388(≥30) 263-287(33-36) 200
5 N33EH 1140-1210(11.4-12.1) ≥859(≥10.8) ≥2388(≥30) 247-271(31-34) 200
6 N30EH 1080-1150(10.8-11.5) ≥812(≥10.2) ≥2388(≥30) 223-247(28-31) 200
7 N28EH 1040-1090(10.4-10.9) ≥780(≥9.8) ≥2388(≥30) 207-231(26-29) 200

 

No Grade Magnetic properties of AH-series Magnet Max Working Temp Tw(℃)
Remanence,Br mT or kGs Coercivity,Hcb kA/m or kOe Intrinsic Coercivity,Hcj kA/m or kOe Maximium Energy Product,(BH)max kJ/m³ or kOe
1 N38AH 1220-1250(12.2-12.5) ≥907(≥11.4) ≥2786(≥35) 287-310(36-39) 240
2 N35AH 1160-1230(11.6-12.3) ≥867(≥10.9) ≥2786(≥35) 263-287(33-36) 240
3 N33AH 1140-1210(11.4-12.1) ≥851(≥10.7) ≥2786(≥35) 247-271(31-34) 240
4 N30AH 1080-1150(10.8-11.5) ≥812(≥10.2) ≥2786(≥35) 223-247(28-31) 240

 

Coating Type Color Thickness/um SST/h PCT/h Working Temp/℃ Performance features
Blue Zn Blue/White 5-10 ≥48 <160 Medium corrosion resistance performance
Color Zn Multiple colors 5-10 ≥72 <160 Medium corrosion resistance performance
NICUNI Silver white 10-30 ≥72 ≥96 <200 High corrosion resistance,thermal resistance and moisture resistance
PVD Aluminium Silver white 5-25 ≥96 ≥240 <390 High corrosion resistance and adhesiveness
Phosphate <250 Low cost,low corrosion resistance performance
Epoxy Black/Grey 10-30 ≥480 ≥96 <180 High corrosion resistance and insulation performance
Multi-layer coating ≥1000 ≥480 Excellent corrosion resistance performance

Notes

This performance might vary according to different dimension of product.

Multi-layer coating is a combination of different type of coatings, and its color,thickness and working temperature might varies from different combinations.

PCT test conditions: 121 celcius degrees, 100% humidity,2atms HAST test condition:132 celcius dergees, 95% humidity,2.7atms(mainly for evaluation of material weight loss)

HAST (Highly Accelerated Stress Test) condition: 132 celcius degrees, 95% humidity,2.7atms(mainly for evaluation of material weight loss)

 


High grade magnet steel (SH / UH / EH / AH series) Production Process

The production process of NdFeB:

Ingredients → Quick setting → Hydrogen crushing → Jet mill → Forming → Sintering & aging → Inspection → Finish

Grain boundary diffusion → surface treatment → inspection → packaging → delivery


High grade magnet steel (SH / UH / EH / AH series) Executive Standard

ISO9001、ISO14001、IATF16949、ISO45001


High grade magnet steel (SH / UH / EH / AH series) Production Equipments

Automatic spraying coating line

Jet milling

Multiple wire cutting

Hydrogen decrepitation furnace

Continuous sintering stove

Strip casting furnace

AMT-4A magnetic property measurement equipment

EHS-222MD HAST (Japan)

HELOS-BFS LASER particle size measurement equipment (Germany)

HIRST-PFM12 pulse magnetic measurement equipment (UK)

PSL-2J High-Low temperature environment testing equpment (Japan)

SP3020 Automatic image measuring apparatus

UItima Expert Plasma Spectrometer (France)


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Ketian Magnet's low-grade series magnets have the characteristics of high stability and high consistency, combined with the advantages of large-scale and low-cost manufacturing, and provide cost-effective solutions for applications such as electronics, IT, and home appliances.

Double high grade magnet steel (high remanence / high coercive force)

With the continuous strengthening of the protection of rare earth resources and the development of downstream applications, sintered NdFeB magnetic steel is facing new challenges. Ketian Magnet's Shuanggao grade magnetic steel adopts the latest grain boundary diffusion process and obtains the characteristics of double high remanence and coercivity with limited heavy rare earth input. Used in new energy vehicle drive motor (HEV / EV), inverter air conditioner compressor, various servo motors and other industries. While continuously developing high-end products, it also contributes to the protection of rare earth resources.

Magnetic steel components

Ketian Magnet has accumulated rich experience in magnetic steel components, and can provide customers with value-added services such as the bonding and assembly of magnetic steel and magnetic steel, magnetic steel and other components. At present, the products are widely used in wind power generation, new energy vehicles, industrial motors and other fields, and are well received and trusted by customers.
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