Material	Type	Br,Tesla	Hcj, kA/m	(BH)max, kJ/m3	Tmax, °C
Barium Ferrite	8ÁÈ230	0.20-0.22	220-230	7.5-8.5	250
	30ÁÀ170	0.40-0.42	160-170	30-32	250
Strontium Ferrite	28ÑÀ270	0.38-0.40	220-230	28-30	250
Iron-Chromium-Cobalt	25Õ15ÊÞÁÈ	0.8-1.0	24-34	7.0-8.0	450
	25Õ15ÊÞÁÀ	1.20-1.38	45-55	32-42	450
Alnico	ÞÍÄÊ35Ò5	0.75-0.85	110-124	36-40	550
	ÞÍÄÊ35Ò5ÁÀ	1.02-1.12	120-132	72-96	550
	ÞÍ13ÄÊ25ÁÀ	1.25-1.40	44-60	36-64	550
SmCo5	ÊÑ37	0.86-0.92	>2000	140-166	250
Sm2Co17	ÊÑ25Ä5Ö2	1.06-1.14	>1760	220-240	300
Nd-Fe-B	MAEP40ML	1.26-1.30	>1050	310-335	110
	MAEP33HsLs	1.14-1.18	>2150	255-270	200
	MAEP30HSs	1.08-1.12	>1450	230-250	150
Note: Br, kGaussOersted(Tesla) - residual magnetic induction. Hcj, KOersted(kA/m) - magnetisation coercive force. (BH)max, MGauss*Oersted(kJ/m3) - maximum energy product. Tmax, °Ñ - maximum operation temperature.

Table2b. Magnetic parameters
of the most common types of permanent magnets

Material	Type	aÂ, %/°Ñ	aH, %/°Ñ	TC, °C	Density, Mg/m3	RRP, mTesla/(kA/m)
Barium Ferrite	8ÁÈ230	-0.2	+0.3	450	4.8-5.0	1.5
	30ÁÀ170	-0.2	+0.3	450	5.0	1.35
Strontium Ferrite	28ÑÀ270	-0.2	+0.3	450	4.8	1.35
Iron-Chromium-Cobalt	25Õ15ÊÞÁÈ	-0.02	-0.025	650	7.65	-
	25Õ15ÊÞÁÀ	-0.02	-0.025	650	7.65	4
Alnico	ÞÍÄÊ35Ò5	-0.008	+0.03	920	7.3	3.5-4.5
	ÞÍÄÊ35Ò5ÁÀ	-0.008	+0.03	920	7.3	4.0-5.0
	ÞÍ13ÄÊ25ÁÀ	-0.015	+0.03	900	7.3	22-30
SmCo5	ÊÑ37	-0.045	-0.25	720	8.5	1.3
Sm2Co17	ÊÑ25Ä5Ö2	-0.03	-0.19	825	8.4	1.32
Nd-Fe-B	MAEP40ML	-0.12	-0.6	310	7.4	1.36
	MAEP33HsLs	-0.12	-0.6	310	7.4	1.36
	MAEP30HSs	-0.06	-0.6	490	7.5	1.36
Note: aÂ, %/°Ñ - reversal temperature coefficient of induction in the temperature range of 20 - 100°Ñ. aH, %/°Ñ - reversal temperature coefficient of coercive force in the temperature range of 20 - 100°Ñ. TC, °C - Curie temperature. RRP, mTesla/(kA/m) - relative reversal permeability