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Zhonghao Magnetic Materials Co.,Ltd is one of the leading China ring shape ndfeb magnet manufacturers and suppliers welcome to wholesale ring magnets,Website:http://www.zh-magnets.com, neodymium ring magnets, disc magnets, neodymium disc magnets, disc shape ndfeb magnet from our factory.


Rare earth permanent magnetic materials is the samarium, neodymium mixed rare earth metals and transition metal (such as alloy of cobalt, iron, etc.), by the powder metallurgy method of pressure sintering, the magnetizing field of a magnetic material


Rare earth permanent magnetic materials has become important materials for electronic communication technology, used in satellite and radar TWT, a circulator and micro motor, micro cassette recorder, aviation equipment, electronic watches, seismic instrument and other electronic instrument. Current rare earth permanent magnet application has penetrated into cars, household appliances, electronic meter, magnetic resonance imaging, audio equipment, micro motor, such as mobile phones


Magnetic Properties of NdFeB Magnets�






Performance





Grade




Br mT


?KGs?




HcB KA/m


?KOe?




HcJ KA/m


?KOe?




?BH?max KJ/m3


?MGOe?




TW(?)






Min




Typical




Min




Min




Min




Typical




Max






N35




1180?11.8?




1230?12.1?




868?10.9?




955?12?




263?33?




278?35?




80






N38




1230?12.3?




1250?12.5?




899?11.3?




955?12?




287?36?




295(37)




80






N40




1270?12.7?




1280?12.8?




923?11.6?




955?12?




303?38?




310?39?




80






N42




1290?12.9?




1310?13.1?




923?11.6?




955?12?




318?40?




326?41?




80






N45




1330?13.3?




1350?13.5?




876?11.0?




955?12?




342?43?




350?44?




80






N48




1360?13.6?




1380?13.8?




836?10.5?




955?12?




366?46?




374?47?




80






N50




1410?14.1?




1420?14.2?




860?10.8?




876?11?




374?47?




390?49?




70






N52




1430?14.3?




1440?14.4?




836?10.8?




876?11.0?




390?49?




406?51?




70






30M




1080?10.8?




1140?11.4?




796?10?




1114?14?




223?28?




246?31?







33M




1130?11.3?




1150?11.5?




836?10.5?




1114?14?




247?31?




255?32?







35M




1180?11.8?




1200?12.0?




868?10.9?




1114?14?




263?33?




271?34?







38M




1230?12.3?




1250?12.5?




899?11.3?




1114?14?




287?36?




295(37)







40M




1270?12.7?




1280?12.8?




923?11.6?




1114?14?




303?38?




310?39?







42M




1290?12.9?




1310?13.1?




955?12.0?




1114?14?




318?40?




326?41?







45M




1330?13.3?




1350?13.5?




995?12.5?




1114?14?




342?43?




350?44?







48M




1360?13.6?




1380?13.8?




1027?12.9?




1114?14?




358?45?




374?47?







50M




1410?14.1?




1420?14.2?




1050?13.2?




1114?14?




374?47?




390?49?







30H




1080?10.8?




1100?11.0?




796?10?




1353?17?




223?28?




239?30?







33H




113011.3?




1150?11.5?




836?10.5?




1353?17?




247?31?




255?32?







35H




1180?11.8?




1200?12.0?




868?10.9?




1353?17?




263?33?




271?34?







38H




1230?12.3?




1250?12.5?




899?11.3?




1353?17?




287?36?




295(37)







40H




1270?12.7?




1280?12.8?




923?11.6?




1353?17?




303?38?




310?39?







42H




1290?12.9?




1310?13.1?




955?12.0?




1353?17?




318?40?




326?41?







45H




1330?13.3?




1340?13.4?




995?12.5?




1353?16?




342?43?




350?44?







48H




1360?13.6?




1380?13.8?




1027?12.9?




1353?16?




358?45?




366?46?







28SH




1050?10.5?




1080?10.8?




764?9.6?




1592?20?




207?26?




215?27?







30SH




1080?10.8?




1100?11.0?




804?10.1?




1592?20?




223?28?




239?30?







33SH




1130?11.3?




1150?11.5?




844?10.6?




1592?20?




247?31?




255?32?







35SH




1180?11.8?




1200?12.0?




876?11.0?




1592?20?




263?33?




271?34?







38SH




1230?12.3?




1250?12.5?




907?11.4?




1592?20?




287?36?




295(37)







40SH




1270?12.7?




1280?12.8?




939?11.8?




1592?20?




303?38?




310?39?







42SH




1290?12.9?




1310?13.1?




955?12.0?




1592?20?




318?40?




326?41?







45SH




1320?13.2?




1340?13.4?




995?12.5?




1592?20?




334?42?




342?43?







28UH




1050?10.5?




1080?10.8?




764?9.6?




1990?25?




207?26?




223?28?







30UH




1080?10.8?




1100?11.0?




812?10.2?




1990?25?




223?28?




239?30?







33UH




1130?11.3?




1150?11.5?




852?10.7?




1990?25?




247?31?




255?32?







35UH




1180?11.8?




1200?12.0?




860?10.8?




1990?25?




263?33?




271?34?







38UH




1230?12.3?




1250?12.5?




907?11.4?




1990?25?




287?36?




295(37)







40UH




1260?12.6?




1270?12.7?




923?11.6?




1990?25?




303?38?




310?39?







42UH




1290?12.9?




1310?13.1?




923?11.6?




1990?25?




318?40?




326?41?







28EH




1050?10.5?




1080?10.8?




764?9.6?




2388?30?




207?26?




223?28?







30EH




1080?10.8?




1100?11.0?




812?10.2?




2388?30?




223?28?




239?30?







33EH




1130?11.3?




1150?11.5?




812?10.2?




2388?30?




247?31?




255?32?







35EH




1180?11.8?




1200?12.0?




812?10.2?




2388?30?




263?33?




271?34?







38EH




1230?12.3?




1250?12.5?




868?10.9?




2388?30?




287?36?




295(37)







30TH




1080?10.8?




1100?11.0?




812?10.2?




2627?33?




223?28?




239?30?







33TH




1130?11.3?




1150?11.5?




812?10.2?




2627?33?




247?31?




255?32?