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。
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分
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牌
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剩磁感应强度
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矫顽力
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内禀矫顽力
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最大磁能积
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工作温度
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类
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号
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Br
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Hcb
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Hcj
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(BH)max
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TW
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mT (kgs)
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KA/m (Koe)
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KA/m (Koe)
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KJ/m3 (MGOe)
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( ° C)
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N
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N35
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1170-1210 (11.7-12.1)
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≧ 860( ≧ 10.8)
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≧ 955 ( ≧ 12)
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263-287 (33-36)
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≤80
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N38
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1210-1250 (12.1-12.5)
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≧ 860( ≧ 10.8)
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≧ 955 ( ≧ 12)
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287-310 (36-39)
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N40
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1250-1280 (12.5-12.8)
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≧ 923( ≧ 11.6)
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≧ 955 ( ≧ 12)
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302-326 (38-41)
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N42
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1280-1320 (12.8-13.2)
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≧ 923( ≧ 11.6)
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≧ 955 ( ≧ 12)
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318-342 (40-43)
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N45
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1320-1380 (13.2-13.8)
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≧ 876( ≧ 11.0)
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≧ 955 ( ≧ 12)
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342-366 (43-46)
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N48
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1380-1420 (13.8- 14.2)
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≧ 835( ≧ 10.5)
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≧ 955 ( ≧ 12)
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366-390 (46-49)
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N50
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1380-1450 (13.8-14.5)
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≧ 835( ≧ 10.5)
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≧ 876 ( ≧ 11)
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374-406 (47-51)
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N52
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1430-1480 (14.3-14.8)
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≧ 860( ≧ 10.8)
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≧ 876 ( ≧ 11)
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398-422 (50-53)
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M
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35M
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1170-1210 (11.7-12.1)
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≧ 860( ≧ 10.8)
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≧ 1114 ( ≧ 14)
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263-287 (33-36)
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≤100
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38M
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1210-1250 (12.1-12.5)
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≧ 876( ≧ 11.0)
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≧ 1114 ( ≧ 14)
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287-310 (36-39)
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40M
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1250-1280 (12.5-12.8)
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≧ 907( ≧ 11.4)
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≧ 1114 ( ≧ 14)
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302-326 (38-41)
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42M
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1280-1320 (12.8-13.2)
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≧ 923( ≧ 11.6)
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≧ 1114 ( ≧ 14)
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318-342 (40-43)
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45M
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1320-1380 (13.2-13.8)
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≧ 939( ≧ 11.8)
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≧ 1114 ( ≧ 14)
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342-366 (43-46)
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48M
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1360-1400 (13.6-14.0)
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≧ 939( ≧ 11.8)
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≧ 1114 ( ≧ 14)
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366-390 (46-49)
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50M
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1400-1450 (14.0-14.5)
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≧ 1033( ≧ 13.0)
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≧ 1114 ( ≧ 14)
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382-406 (48-51)
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H
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30H
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1080-1130 (10.8-11.3)
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≧ 812( ≧ 10.2)
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≧ 1353 ( ≧ 17)
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223-247 (28-31)
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≤120
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33H
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1130-1170 (11.3-11.7)
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≧ 844( ≧ 10.6)
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≧ 1353 ( ≧ 17)
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247-263 (31-33)
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35H
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1170-1210 (11.7-12.1)
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≧ 876( ≧ 11.0)
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≧ 1353 ( ≧ 17)
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263-287 (33-36)
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38H
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1210-1250 (12.1-12.5)
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≧ 890( ≧ 11.2)
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≧ 1353 ( ≧ 17)
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287-310 (36-39)
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40H
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1250-1280 (12.5-12.8)
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≧ 915( ≧ 11.5)
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≧ 1353 ( ≧ 17)
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302-326 (38-41)
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42H
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1280-1320 (12.8-13.2)
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≧ 955( ≧ 12.0)
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≧ 1353 ( ≧ 17)
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318-342 (40-43)
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45H
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1320-1380 (13.2-13.8)
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≧ 955( ≧ 12.0)
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≧ 1353 ( ≧ 17)
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335-366 (42-46)
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48H
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1360-1430 (13.6-14.3)
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≧ 995( ≧ 12.5)
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≧ 1274 ( ≧ 16)
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366-390 (46-49)
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SH
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30SH
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1080-1130 (10.8-11.3)
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≧ 796( ≧ 10.0)
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≧ 1672 ( ≧ 20)
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223-247 (28-31)
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≤150
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33SH
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1130-1170 (11.3-11.7)
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≧ 844( ≧ 10.6)
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≧ 1672 ( ≧ 20)
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247-263 (31-33)
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35SH
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1170-1210 (11.7-12.1)
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≧ 876( ≧ 11.0)
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≧ 1672 ( ≧ 20)
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263-287 (33-36)
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38SH
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1210-1250 (12.1-12.5)
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≧ 907( ≧ 11.4)
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≧ 1672 ( ≧ 20)
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287-310 (36-39)
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40SH
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1250-1280 (12.5-12.8)
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≧ 939( ≧ 11.8)
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≧ 1672 ( ≧ 20)
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302-326 (38-41)
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42SH
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1280-1320 (12.8-13.2)
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≧ 939( ≧ 11.8)
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≧ 1672 ( ≧ 20)
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320-343 (40-43)
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45SH
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1320-1380 (13.2-13.8)
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≧ 1003( ≧ 12.6)
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≧ 1592 ( ≧ 20)
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342-366 (43-46)
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UH
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30UH
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1080-1130 (10.8-11.3)
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≧ 812( ≧ 10.2)
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≧ 1990 ( ≧ 25)
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223-247 (28-31)
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≤180
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33UH
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1130-1170 (11.3-11.7)
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≧ 852( ≧ 10.7)
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≧ 1990 ( ≧ 25)
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247-263 (31-33)
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35UH
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1170-1210 (11.7-12.1)
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≧ 852( ≧ 10.7)
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≧ 1990 ( ≧ 25)
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263-287 (33-36)
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38UH
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1210-1250 (12.1-12.5)
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≧ 907( ≧ 11.4)
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≧ 1990 ( ≧ 25)
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287-310 (36-39)
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40UH
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1250-1280 (12.5-12.8)
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≧ 907( ≧ 11.4)
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≧ 1990 ( ≧ 25)
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302-326 (38-41)
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EH
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28EH
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1040-1080 (11.0-11.3)
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≧ 756( ≧ 9.5)
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≧ 2388 ( ≧ 30)
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207-231 (26-29)
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≤200
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30EH
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1080-1130 (11.5-10.8)
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≧ 756( ≧ 9.5)
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≧ 2388 ( ≧ 30)
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223-247 (28-31)
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33EH
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1130-1170 (11.9-11.3)
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≧ 812( ≧ 10.2)
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≧ 2388 ( ≧ 30)
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247-263 (31-33)
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35EH
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1170-1210 (11.7-12.1)
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≧ 812( ≧ 10.2)
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≧ 2388 ( ≧ 30)
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263-287 (33-36)
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38EH
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1210-1250 (12.1-12.5)
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≧ 907( ≧ 11.4)
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≧ 2388 ( ≧ 30)
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287-310 (36-39)
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