Manager Hu

  0579-86725311  |  18006530978  

  Manager Zhou

  0579-86736345  |  13486914691

    Email code

    jianghui@limagnet.com(Manager Hu)

    zyf@limagnet.com(Manager Zhou

Ferrite cutting products

Chinese standards


Material grade

Br(Gs)

Hcb(Oe)

HcJ(Oe)

(BH)max(MGOe)

Y8T

2000 - 2350

1570 - 2010

2640 - 3520

0.8 -  1.2

Y10T

>2000

1600

2640

0.81

Y20

3200 - 3800

1700 - 2390

1760 - 2450

2.3 - 2.8

Y22H

3100 - 3600

2770 - 3140

3520 - 4020

2.5 - 3.0

Y23

3200 - 3700 

2140 - 2390

2390 - 2890

2.5 - 3.2

Y25

3600 - 4000

1700 - 2140

1760 - 2510

2.8 - 3.5

Y26H

3600 - 3900

2770 - 3140

2830 - 3200

2.9 - 3.5

Y27H

3700 - 4000

2580 - 3140

2640 - 3200

2.9 - 3.5

Y28

3700 - 4000

2200 - 2640

2260 - 2770

3.3 - 3.8

Y30

>3800

2400

2500

3.3

Y30BH

>3850

2800

2900

3.4

Y30H-1

3800 - 4000

2890 - 3455

2950 - 3640

3.4 - 4.1

Y30H-2

3950 - 4150

3460 - 3770

3900 - 4210

3.6 - 4.0

Y32

4000 - 4200

2010 - 2390

2070 - 2450

3.8 - 4.2

Y33

4100 - 4300

2770 - 3140

2830 - 3200

4.0 - 4.4

Y33H

>3850

3150

3250

3.7

Y35

>4000

2600

2700

3.85

Y35BH

>3900

>2952

>3014

3.7

微波炉磁

>4150

2800

2900

4.1



German Standard


Material grade

Br(Gs)

Hcb(Oe)

HcJ(Oe)

HcJ(Oe)

HF8/22

>2000

1630

2760

0.8 

HF24/16

>3500

1950

2010

3.0 

HF26/16

>3700

1950

2040

3.2

HF28/16

>3900

2010

2040

3.5

HF30/16

>4000

2010

2040

3.8

HF24/23

>3500

2760

2890

3.0

HF26/23

>3700

2890

3010

3.2

HF28/26

>3850

3140

3270

3.5

HF28/28

>3850

3350

3500

3.5

HF30/26

>3950

3140

3270

3.8



American Standard


Material grade

Br(Gs)

Hcb(Oe)

HcJ(Oe)

HcJ(Oe)

C - 1

2300

1860

3500

1.05

C - 5

3800

2400

2500

3.40

C - 7

3400

3230

4000

2.75

C-8

>3850

2950

3050

3.5

C - 8B

4200

2913

2960

4.12

C - 8C

>4300

2500

2550

4.3

C - 9

3800

3516

4010

3.32

C - 10

4000

3617

3510

3.82

C - 11

4300

2512

2560

4.32

C - 12

3900

3667

3893

3.9



TDK FB series standards from Japan


Material grade

Br(Gs)

Hcb(Oe)

HcJ(Oe)

(BH)max(MGOe)

FB9N

4500

3355

3455

4.88

FB9B

4400

4146

4347

4.65

FB9H

4200

4008

4850

4.20

FB6N

4300

3104

3154

4.41

FB6B

4100

3656

3845

4.00

FB6H

3900

3656

4347

3.60

FB6E

3700

3505

4800

3.25

FB5N

4300

2702

2727

4.41

FB5B

4100

3154

3753

4.00

FB5H

3950

3594

3907

3.70

FB4A

4000

2000

2025

3.80

FB4D

4000

2802

2853

3.74

FB3N

3850

2802

2853

3.30

FB3G

3600

3004

3154

2.90

FB1A

2050

1798

3004

0.92

FB3B

3600

2765

2828

2.89

FB5E

3500

3268

4525

2.89

FB4B

3900

3004

3.54

3.51

FB4X

4100

2765

2828

3.95

FB4G

3800

3394

3544

3.4

FB4H

3600
3306

3997

3.01



Physical properties of hard ferrite magnets


Typical Physical Properties

Curie temperature (° C)

450

Maximum operating temperature (° C)

250

Hardness (Hv)

480-580

Density (g/cm3)

4.8-4.9

Relative recoil air permeability (μ rec)

1.05-1.20

Relative recoil air permeability (μ rec)

10(800)

Saturated field strength, kOe(kA / m)

-0.2

Temperature coefficient of iHc (%/° C)

0.3

Tensile strength (N/mm)

<100

Transverse fracture strength (N/mm)

300


Remanent Br

Coercivity

Intrinsic coercivity Hcj

Magnetic energy product (BH) max

Material grade

mT

Gs

KA/m

Oe

KA/m

Oe

kJ/m3

MGOe

Comparison with domestic and international standards

JH1OT

210-250

2100-2500

130-220

1650-2800

215-270

243-275

6.4-9.5

0.8-1.2

HF8/22,FB1A,C1,Y1OT, YBM-3

JH25

360-400

360-4000

135-220

1700-2800

140-230

1750-3000

22.5-28.5

2.8-3.6

Y25

JH30

380-405

3800-4050

190-240

2400-3000

195-250

2450-3150

26.3-30.3

3.3-3.8

Y30,FXD300

JH30H

385-405

3850-4050

240-271

2400-3000

230-260

2900-3300 

27.1-31.0

3.4-3.9

Y30H-1,FB3N

JH33H

390-410

3900-4100

240-271

3000-3400

243-280

3050-3500

27.8-31.8

3.5-4.0

C8, FB4B

JH34H

370-390

3700-3900

263-291

3300-3650

307-330

3850-4150

24.7-28.7

3.1-3.6

C7B

JH4036

395-410

3950-4100

263-291

3300-3650

279-303

3850-4150

28.7-31.8

3.6-4.0 

YBM-5BD

JH4040

395-410

3950-4100

215-239

3300-3650

279-303

3850-4100

28.7-31.8

3.6-4.0

Y30H-2,YBM-6BE, FB5H

JH4129

400-420

4000-4200

215-239

2700-3000

219-243

2750-3050

 29.6-32.8

3.7-4. 1

Y33, FB4D

JH4229

415-435

4150-4350

215-239

2700-3000

219-243

2750-3050

30.3-33.4

3.8-4.2

 YBM2BB,FB4X

JH4240

410-430

4100-4300

283-307

3550-3850

307-330

2750-3050

31.2-35.2

4.4-4.8 

FB6B,YBM-7BE

Jh4432

430-450

4300-4500

235-271

2950-3400

243-275

3050-3450

35.1-38.3

4.4-4.8

Y36,FB6N

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