铁氧体磁铁是一种主要以SrO或BaO及Fe2O3为原料制造而成的永磁磁铁。和其他永磁磁铁相比，铁氧体磁铁坚硬且脆，磁能较低。但是它不易退磁不易腐蚀，生产工艺简单且价格低廉，因此，在整个磁铁工业中铁氧体磁铁的产量最高并被广泛应用于工业生产中。
永磁铁氧体产品主要为各向异性系列。它们可用于制作永磁点火电机、永磁电机、永磁选矿机、永磁吊头、磁推轴承、磁分离器、扬声器、微波器件、磁疗片、助听器等。
|
Grade |
剩磁Br |
矫顽力Hcb |
内禀矫顽力Hcj |
磁能积（BH）max |
与国内外其它标准对应牌号 |
|||||||
|
SJ/T104 |
mT |
Gs |
kA/m |
Oe |
kA/m |
Oe |
kJ/m3 |
MGOe |
日本TDK |
美国MMPA |
HF |
国内通俗 |
|
Y8T |
200-235 |
2000-2350 |
125-160 |
1570-2010 |
210-280 |
2640-3520 |
6.5-9.5 |
0.82-1.19 |
FB1A |
C1 |
HF8/22 |
|
|
Y25 |
360-400 |
3600-4000 |
135-170 |
1700-2140 |
140-200 |
1760-2520 |
22.5-28.0 |
2.83-3.52 |
|
|
HF24/16 |
|
|
Y26H-1 |
360-390 |
3600-3900 |
200-250 |
2520-3140 |
225-255 |
2830-3200 |
23.0-28.0 |
2.89-3.52 |
FB3X |
|
HF24/23 |
|
|
Y28 |
370-400 |
3700-4000 |
175-210 |
2200-2640 |
180-220 |
2260-2760 |
26.0-30.0 |
3.27-3.77 |
|
C5 |
HF26/18 |
Y30 |
|
Y28H-1 |
380-400 |
3800-4000 |
240-260 |
3015-3270 |
250-280 |
3140-3520 |
27.0-30.0 |
3.39-3.77 |
FB3G |
C8 |
HF28/26 |
|
|
Y28H-2 |
360-380 |
3600-3800 |
271-295 |
3405-3705 |
382-405 |
4800-5090 |
26.0-28.5 |
3.27-3.58 |
FB6E |
C9 |
HF24/35 |
|
|
Y30H-1 |
380-400 |
3800-4000 |
230-275 |
2890-3450 |
235-290 |
2950-3650 |
27.0-31.5 |
3.39-3.96 |
FB3N |
|
HF28/24 |
Y30BH |
|
Y30H-2 |
395-415 |
3950-4150 |
275-300 |
3450-3770 |
310-335 |
3900-4210 |
27.0-32.0 |
3.39-4.02 |
(FB5DH) |
C10(C8A) |
HF28/30 |
|
|
Y32 |
400-420 |
4000-4200 |
160-190 |
2010-2400 |
165-195 |
2080-2450 |
30.0-33.5 |
3.77-4.21 |
FB4A |
|
HF30/16 |
|
|
Y32H-1 |
400-420 |
4000-4200 |
190-230 |
2400-2900 |
230-250 |
2900-3140 |
31.5-35.0 |
3.96-4.40 |
|
|
HF32/17 |
Y35 |
|
Y32H-2 |
400-440 |
4000-4400 |
224-240 |
2800-3020 |
230-250 |
2900-3140 |
31.0-34.0 |
3.89-4.27 |
FB4D |
|
HF30/26 |
Y35BH |
|
Y33 |
410-430 |
4100-4300 |
220-250 |
2760-3140 |
225-255 |
2830-3200 |
31.5-35.0 |
3.96-4.40 |
|
|
HF32/22 |
|
|
Y33H |
410-430 |
4100-4300 |
250-270 |
3140-3400 |
250-275 |
3140-3450 |
31.5-35.0 |
3.96-4.40 |
(FB5D) |
|
HF32/25 |
|
|
Y33H-2 |
410-430 |
4100-4300 |
285-315 |
3580-3960 |
305-335 |
3830-4210 |
31.8-35.0 |
4.0-4.40 |
FB6B |
C12 |
HF30/32 |
|
|
Y34 |
420-440 |
4200-4400 |
250-280 |
3140-3520 |
260-290 |
3270-3650 |
32.5-36.0 |
4.08-4.52 |
|
C8B |
HF32/26 |
|
|
Y35 |
430-450 |
4300-4500 |
230-260 |
2900-3270 |
240-270 |
3015-3400 |
33.1-38.2 |
4.16-4.80 |
FB5N |
C11(C8C) |
|
|
|
Y36 |
430-450 |
4300-4500 |
260-290 |
3270-3650 |
265-295 |
3330-3705 |
35.1-38.3 |
4.41-4.81 |
FB6N |
|
HF34/30 |
|
|
Y38 |
440-460 |
4400-4600 |
285-315 |
3580-3960 |
295-325 |
3705-4090 |
36.6-40.6 |
4.60-5.10 |
|
|
|
|
|
Y40 |
440-460 |
4400-4600 |
315-345 |
3960-4340 |
320-350 |
4020-4400 |
37.6-41.6 |
4.72-5.23 |
FB9B |
|
HF35/34 |
|
|
Y41 |
450-470 |
4500-4700 |
245-275 |
3080-3460 |
255-285 |
3200-3580 |
38.0-42.0 |
4.77-5.28 |
FB9N |
|
|
|
|
Y41H |
450-470 |
4500-4700 |
315-345 |
3960-4340 |
385-415 |
4850-5220 |
38.5-42.5 |
4.84-5.34 |
FB12H |
|
|
|
|
Y42 |
460-480 |
4600-4800 |
315-335 |
3960-4210 |
355-385 |
4460-4850 |
40.0-44.0 |
5.03-5.53 |
FB12B |
|
|
|
|
Y42H |
460-480 |
4600-4800 |
325-345 |
4080-4340 |
400-440 |
5020-5530 |
40.0-44.0 |
5.03-5.53 |
FB14H |
|
|
|
|
Y43 |
465-485 |
4650-4850 |
330-350 |
4150-4400 |
350-390 |
4400-4900 |
40.5-45.5 |
5.09-5.72 |
FB13B |
|
|
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