烧结钕铁硼磁铁为至目前为止具有最强磁力的永久磁铁。材料牌号有N35-N52;各种形状可按具体要求加工:圆形,方块,打孔,磁瓦,磁棒,凸型,梯形;尽管有这些优点,但是表面容易生锈,所以通常需要作一些保护性表面处理:镀镍,镀锌,镀金,镀环氧树脂等。钕铁硼磁铁的适用的
环境温度是200度以下,主要应用于电子、电器、包装、电机、玩具、皮具、汽车机械等。
分
|
牌
|
剩磁感应强度
|
矫顽力
|
内禀矫顽力
|
最大磁能积
|
工作温度
|
类
|
号
|
Br
|
Hcb
|
Hcj
|
(BH)max
|
TW
|
|
|
mT (kgs)
|
KA/m (Koe)
|
KA/m (Koe)
|
KJ/m3 (MGOe)
|
( ° C)
|
N
|
N35
|
1170-1210 (11.7-12.1)
|
≧ 860( ≧ 10.8)
|
≧ 955 ( ≧ 12)
|
263-287 (33-36)
|
≤80
|
N38
|
1210-1250 (12.1-12.5)
|
≧ 860( ≧ 10.8)
|
≧ 955 ( ≧ 12)
|
287-310 (36-39)
|
N40
|
1250-1280 (12.5-12.8)
|
≧ 923( ≧ 11.6)
|
≧ 955 ( ≧ 12)
|
302-326 (38-41)
|
N42
|
1280-1320 (12.8-13.2)
|
≧ 923( ≧ 11.6)
|
≧ 955 ( ≧ 12)
|
318-342 (40-43)
|
N45
|
1320-1380 (13.2-13.8)
|
≧ 876( ≧ 11.0)
|
≧ 955 ( ≧ 12)
|
342-366 (43-46)
|
N48
|
1380-1420 (13.8- 14.2)
|
≧ 835( ≧ 10.5)
|
≧ 955 ( ≧ 12)
|
366-390 (46-49)
|
N50
|
1380-1450 (13.8-14.5)
|
≧ 835( ≧ 10.5)
|
≧ 876 ( ≧ 11)
|
374-406 (47-51)
|
N52
|
1430-1480 (14.3-14.8)
|
≧ 860( ≧ 10.8)
|
≧ 876 ( ≧ 11)
|
398-422 (50-53)
|
M
|
35M
|
1170-1210 (11.7-12.1)
|
≧ 860( ≧ 10.8)
|
≧ 1114 ( ≧ 14)
|
263-287 (33-36)
|
≤100
|
38M
|
1210-1250 (12.1-12.5)
|
≧ 876( ≧ 11.0)
|
≧ 1114 ( ≧ 14)
|
287-310 (36-39)
|
40M
|
1250-1280 (12.5-12.8)
|
≧ 907( ≧ 11.4)
|
≧ 1114 ( ≧ 14)
|
302-326 (38-41)
|
42M
|
1280-1320 (12.8-13.2)
|
≧ 923( ≧ 11.6)
|
≧ 1114 ( ≧ 14)
|
318-342 (40-43)
|
45M
|
1320-1380 (13.2-13.8)
|
≧ 939( ≧ 11.8)
|
≧ 1114 ( ≧ 14)
|
342-366 (43-46)
|
48M
|
1360-1400 (13.6-14.0)
|
≧ 939( ≧ 11.8)
|
≧ 1114 ( ≧ 14)
|
366-390 (46-49)
|
50M
|
1400-1450 (14.0-14.5)
|
≧ 1033( ≧ 13.0)
|
≧ 1114 ( ≧ 14)
|
382-406 (48-51)
|
H
|
30H
|
1080-1130 (10.8-11.3)
|
≧ 812( ≧ 10.2)
|
≧ 1353 ( ≧ 17)
|
223-247 (28-31)
|
≤120
|
33H
|
1130-1170 (11.3-11.7)
|
≧ 844( ≧ 10.6)
|
≧ 1353 ( ≧ 17)
|
247-263 (31-33)
|
35H
|
1170-1210 (11.7-12.1)
|
≧ 876( ≧ 11.0)
|
≧ 1353 ( ≧ 17)
|
263-287 (33-36)
|
38H
|
1210-1250 (12.1-12.5)
|
≧ 890( ≧ 11.2)
|
≧ 1353 ( ≧ 17)
|
287-310 (36-39)
|
40H
|
1250-1280 (12.5-12.8)
|
≧ 915( ≧ 11.5)
|
≧ 1353 ( ≧ 17)
|
302-326 (38-41)
|
42H
|
1280-1320 (12.8-13.2)
|
≧ 955( ≧ 12.0)
|
≧ 1353 ( ≧ 17)
|
318-342 (40-43)
|
45H
|
1320-1380 (13.2-13.8)
|
≧ 955( ≧ 12.0)
|
≧ 1353 ( ≧ 17)
|
335-366 (42-46)
|
48H
|
1360-1430 (13.6-14.3)
|
≧ 995( ≧ 12.5)
|
≧ 1274 ( ≧ 16)
|
366-390 (46-49)
|
SH
|
30SH
|
1080-1130 (10.8-11.3)
|
≧ 796( ≧ 10.0)
|
≧ 1672 ( ≧ 20)
|
223-247 (28-31)
|
≤150
|
33SH
|
1130-1170 (11.3-11.7)
|
≧ 844( ≧ 10.6)
|
≧ 1672 ( ≧ 20)
|
247-263 (31-33)
|
35SH
|
1170-1210 (11.7-12.1)
|
≧ 876( ≧ 11.0)
|
≧ 1672 ( ≧ 20)
|
263-287 (33-36)
|
38SH
|
1210-1250 (12.1-12.5)
|
≧ 907( ≧ 11.4)
|
≧ 1672 ( ≧ 20)
|
287-310 (36-39)
|
40SH
|
1250-1280 (12.5-12.8)
|
≧ 939( ≧ 11.8)
|
≧ 1672 ( ≧ 20)
|
302-326 (38-41)
|
42SH
|
1280-1320 (12.8-13.2)
|
≧ 939( ≧ 11.8)
|
≧ 1672 ( ≧ 20)
|
320-343 (40-43)
|
45SH
|
1320-1380 (13.2-13.8)
|
≧ 1003( ≧ 12.6)
|
≧ 1592 ( ≧ 20)
|
342-366 (43-46)
|
UH
|
30UH
|
1080-1130 (10.8-11.3)
|
≧ 812( ≧ 10.2)
|
≧ 1990 ( ≧ 25)
|
223-247 (28-31)
|
≤180
|
33UH
|
1130-1170 (11.3-11.7)
|
≧ 852( ≧ 10.7)
|
≧ 1990 ( ≧ 25)
|
247-263 (31-33)
|
35UH
|
1170-1210 (11.7-12.1)
|
≧ 852( ≧ 10.7)
|
≧ 1990 ( ≧ 25)
|
263-287 (33-36)
|
38UH
|
1210-1250 (12.1-12.5)
|
≧ 907( ≧ 11.4)
|
≧ 1990 ( ≧ 25)
|
287-310 (36-39)
|
40UH
|
1250-1280 (12.5-12.8)
|
≧ 907( ≧ 11.4)
|
≧ 1990 ( ≧ 25)
|
302-326 (38-41)
|
EH
|
28EH
|
1040-1080 (11.0-11.3)
|
≧ 756( ≧ 9.5)
|
≧ 2388 ( ≧ 30)
|
207-231 (26-29)
|
≤200
|
30EH
|
1080-1130 (11.5-10.8)
|
≧ 756( ≧ 9.5)
|
≧ 2388 ( ≧ 30)
|
223-247 (28-31)
|
33EH
|
1130-1170 (11.9-11.3)
|
≧ 812( ≧ 10.2)
|
≧ 2388 ( ≧ 30)
|
247-263 (31-33)
|
35EH
|
1170-1210 (11.7-12.1)
|
≧ 812( ≧ 10.2)
|
≧ 2388 ( ≧ 30)
|
263-287 (33-36)
|
38EH
|
1210-1250 (12.1-12.5)
|
≧ 907( ≧ 11.4)
|
≧ 2388 ( ≧ 30)
|
287-310 (36-39)
|