Common Chinese Standard
Grade
Br (mT)
Hcb(kA/m)
Hcj(kA/m)
(BH)max (KJ/m 3 )
Y8T
200-235
125-160
210-280
6.5-9.5
Y22H
310-360
220-250
280-320
20.0-24.0
Y25
360-400
135-170
140-200
22.5-28.0
Y26H-1
360-390
200-250
225-255
23.0-28.0
Y26H-2
360-380
263-288
318-350
24.0-28.0
Y27H
350-380
225-240
235-260
25.0-29.0
Y28
370-400
175-210
180-220
26.0-30.0
Y28H-1
380-400
240-260
250-280
27.0-30.0
Y28H-2
271-295
382-405
Y30H-1
230-275
235-290
27.0-32.0
Y30H-2
395-415
275-300
310-335
27.0-32.5
Y33H
410-430
250-270
250-275
31.5-35.0
