Item

Grade

Br T(GS)

HCB 
kA/m(kOe)

HCJ 
kA/m(kOe)

(BH)  max 
kJ/m³(MGOe)

 
IEC standard
 
IEC60404-8-1: 2001

Hard ferrite 32/25 SI-1-9

≥0.41

≥240

≥250

≥32.00

≥4100

≥3016

≥3142

≥4.02

Hard ferrite 24/35 SI-1-10

≥0.36

≥260

≥350

≥24.00

≥3600

≥3267

≥4398

≥3.02

Hard ferrite 25/38 SI-1-12

≥0.38

≥275

≥380

≥25.00

≥3800

≥3456

≥4775

≥3.14

Hard ferrite 31/30 SI-1-13

≥0.41

≥295

≥300

≥31.00

≥4100

≥3707

≥3770

≥3.896

 
NIDE 
Standard
 
Q/74690217-4.1-2004

JC-Y3932

0.380-0.400

230-275

235-290

27.8-32.5

(3800-4000)

(2890-3456)

(2953-3644)

(3.49-4.10)

JC-Y3939

0.385-0.4000

270-290

280-320

28.5-31.8

(3800-4000)

(3391-3644)

(3518-4021)

(3.58-4.00)

JC-Y4041

0.395-0.415

275-295

310-340

28.2-32.0

(3950-4150)

(3456-3707)

(3895-4272)

(3.54-4.02)

JC-Y4127

0.400-0.424

200-225

205-228

30.0-33.6

(4000-4240)

(2514-2827)

(2577-2865)

(3.77-4.22)

JC-Y4231

0.410-0.430

220-260

255-270

31.8-35.5

(4100-4300)

(2765-3267)

(2827-3391)

(4.00-4.46)

JC-Y3744

0.360-0.380

265-288

330-360

24.0-28.0

(3600-3800)

(3330-3620)

(4147-4524)

(3.02-3.53)

JC-Y3849

0.370-0.390

271-305

370-400

26.0-30.2

(3700-3900)

(3405-3833)

(4649-5026)

(3.27-3.80)

JC-Y4240

0.410-0.430

291-314

306.1-330

32.0-35.4

(4100-4300)

(3657-3946)

(3846-4147)

(4.02-4.45)