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  • qieb111 posted an update 2 weeks, 2 days ago

    Neodymium Iron Boron (NdFeB) magnets, of the Rare Earth class, have been commercially available since the mid -1980’s. Their popularity has grown rapidly due to their high Maximum Energy Product and their wide range of available shapes, sizes, and grades.
    NdFeB magnets can be manufactured by sintering, compression bonding, injection molding, and extrusion. The sintered form holds the highest energy product of up to 48MGOe, while the bonded form holds a lower energy product of up to 10MGOe. The majority of NdFeB magnets are anisotropic and can only be magnetized in the orientation direction. In general, magnetizing fields of approximately 30KOe are required to saturate NdFeB magnets.
    These magnets are prone to corrosion in humid environments. For this, liquid epoxy, dry epoxy, nickel plating, zinc plating, and combinations of these coatings may be used as a protective measure.
    Surface Treatment Method:
    Zinc,Nickel,Tin,Phosphor,Silver or Gold Plating Spray Coating Epoxy Resin.
    Typical Magnetic Performance Range for Sintered NdFeB Magnet
    GradeBrHcbHcjBHmaxDensityTw Max
    kGsmTkOekA/mkOekA/mKJ/m3MGOeg/cm3℃
    N2710.3-10.81030-1080≥10.0≥796≥12≥955199-23125-297.580
    N3010.8-11.31080-1130≥10.0≥796≥12≥955223-24728-317.580
    N3311.3-11.71130-1170≥10.5≥836≥12≥955247-27131-347.580
    N3511.7-12.21170-1220≥10.9≥868≥12≥955263-28733-367.580
    N3812.2-12.51220-1250≥11.3≥899≥12≥955287-31036-397.580
    N4012.5-12.81250-1280≥11.4≥907≥12≥955302-32638-417.580
    N4212.8-13.21280-1320≥11.5≥915≥12≥955318-34240-437.580
    N4513.2-13.81320-1380≥11.6≥923≥12≥ 955342-36643-467.580
    N4813.8-14.21380-1420≥11.6≥923≥12≥876366-39046-497.580
    N5014.0-14.51400-1450≥10.0≥796≥11≥876382-40648-517.580
    N5214.3-14.81430-1480≥10.0≥796≥11≥876398-42250-537.580
    30M10.8-11.31080-1130≥10.0≥796≥14≥1114223-24728-317.5100
    33M11.3-11.71130-1170≥10.5≥836≥14≥1114247-26331-337.5100
    35M11.7-12.21170-1220≥10.9≥868≥14≥1114263-28733-367.5100
    38M12.2-12.51220-1250≥11.3≥899≥14≥1114287-31036-397.5100
    40M12.5-12.81250-1280≥11.6≥923≥14≥1114302-32638-417.5100
    42M12.8-13.21280-1320≥12.0≥955≥14≥1114318-34240-437.5100
    45M13.2-13.81320-1380≥12.5≥995≥14≥1114342-36643-467.5100
    48M13.6-14.31360-1430≥12.9≥1027≥14≥1114366-39046-497.5100
    50M14.0-14.51400-1450≥13.0≥1033≥14≥1114382-40648-517.5100
    30H10.8-11.31080-1130≥10.0≥796≥17≥1353223-24728-317.5120
    33H11.3-11.71130-1170≥10.5≥836≥17≥1353247-27131-347.5120
    35H11.7-12.21170-1220≥10.9≥868≥17≥1353263-28733-367.5120
    38H12.2-12.51220-1250≥11.3≥899≥17≥1353287-31036-397.5120
    40H12.5-12.81250-1280≥11.6≥923≥17≥1353302-32638-417.5120
    42H12.8-13.21280-1320≥12.0≥955≥17≥1353318-34240-437.5120
    45H13-13.61300-1360≥12.1≥963≥17≥1353326-35843-467.5120
    48H13.7-14.31370-1430≥12.5≥995≥17≥1353366-39046-497.5120
    30SH10.8-11.31080-1130≥10.1≥804≥20≥1592223-24728-317.5150
    33SH11.3-11.71130-1170≥10.6≥844≥20≥1592247-27131-347.5150
    35SH11.7-12.21170-1220≥11.0≥876≥20≥1592263-28733-367.5150
    38SH12.2-12.51220-1250≥11.4≥907≥20≥1592287-31036-397.5150
    40SH12.5-12.81240-1280≥11.8≥939≥20≥1592302-32638-417.5150
    42SH12.8-13.21280-1320≥12.4≥987≥20≥1592318-34240-437.5150
    45SH13.2-13.81320-1380≥12.6≥1003≥20≥1592342-36643-467.5150
    28UH10.2-10.81020-1080≥9.6≥764≥25≥1990207-23126-297.5180
    30UH10.8-11.31080-1130≥10.2≥812≥25≥1990223-24728-317.5180
    33UH11.3-11.71130-1170≥10.7≥852≥25≥1990247-27131-347.5180
    35UH11.8-12.21180-1220≥10.8≥860≥25≥1990263-28733-367.5180
    38UH12.2-12.51220-1250≥11.0≥876≥25≥1990287-31036-397.5180
    40UH12.5-12.81240-1280≥11.3≥899≥25≥1990302-32638-417.5180
    28EH10.4-10.91040-1090≥9.8≥780≥30≥2388207-23126-297.5200
    30EH10.8-11.31080-1130≥10.2≥812≥30≥2388223-24728-317.5200
    33EH11.3-11.71130-1170≥10.5≥836≥30≥2388247-27131-347.5200
    35EH11.7-12.21170-1220≥11.0≥876≥30≥2388263-28733-367.5200
    38EH12.2-12.51220-1250≥11.3≥899≥30≥2388287-31036-397.5200
    28AH10.4-11.01040-1100≥9.7≥772≥35≥2786207-23126-297.5220
    30AH10.8-11.71080-1170≥10.2≥812≥35≥2786223-25528-327.5220
    33AH11.4-12.21140-1220≥10.7≥851≥35≥2786247-27931-357.5220
    35AH11.7-12.51170-1250≥11.0≥876≥35≥2786263-29533-377.5220wholesale SmCo
    website:http://www.sensmagnetics.com/smco-1

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