L Series 2:17 samarium cobalt makenete e sebelisoa haholo ho lifofane, Marine, bongaka, likoloi le liindasteri tse ling ka lebaka la mocheso oa eona o tlase oa mocheso oa makenete.Br le BH(Max) ea L Series e fetoha hanyane ka ho phahama ha mocheso.Hajoale, re ka hlahisa limmete tsa L22 ka tlhahiso e tsitsitseng le e kholo ka Br≥9.5kGs, α(20-60 ℃) ka har'a 100ppm.