Sintered SmCo

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China Mainland
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Description

Product Detail

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

Grade	Br		Hcb		Hcj		BHmax		Density	Tw Max
Grade	kGs	mT	kOe	kA/m	kOe	kA/m	KJ/m3	MGOe	g/cm3	?
N27	10.3-10.8	1030-1080	=10.0	=796	=12	=955	199-231	25-29	7.5	80
N30	10.8-11.3	1080-1130	=10.0	=796	=12	=955	223-247	28-31	7.5	80
N33	11.3-11.7	1130-1170	=10.5	=836	=12	=955	247-271	31-34	7.5	80
N35	11.7-12.2	1170-1220	=10.9	=868	=12	=955	263-287	33-36	7.5	80
N38	12.2-12.5	1220-1250	=11.3	=899	=12	=955	287-310	36-39	7.5	80
N40	12.5-12.8	1250-1280	=11.4	=907	=12	=955	302-326	38-41	7.5	80
N42	12.8-13.2	1280-1320	=11.5	=915	=12	=955	318-342	40-43	7.5	80
N45	13.2-13.8	1320-1380	=11.6	=923	=12	= 955	342-366	43-46	7.5	80
N48	13.8-14.2	1380-1420	=11.6	=923	=12	=876	366-390	46-49	7.5	80
N50	14.0-14.5	1400-1450	=10.0	=796	=11	=876	382-406	48-51	7.5	80
N52	14.3-14.8	1430-1480	=10.0	=796	=11	=876	398-422	50-53	7.5	80
30M	10.8-11.3	1080-1130	=10.0	=796	=14	=1114	223-247	28-31	7.5	100
33M	11.3-11.7	1130-1170	=10.5	=836	=14	=1114	247-263	31-33	7.5	100
35M	11.7-12.2	1170-1220	=10.9	=868	=14	=1114	263-287	33-36	7.5	100
38M	12.2-12.5	1220-1250	=11.3	=899	=14	=1114	287-310	36-39	7.5	100
40M	12.5-12.8	1250-1280	=11.6	=923	=14	=1114	302-326	38-41	7.5	100
42M	12.8-13.2	1280-1320	=12.0	=955	=14	=1114	318-342	40-43	7.5	100
45M	13.2-13.8	1320-1380	=12.5	=995	=14	=1114	342-366	43-46	7.5	100
48M	13.6-14.3	1360-1430	=12.9	=1027	=14	=1114	366-390	46-49	7.5	100
50M	14.0-14.5	1400-1450	=13.0	=1033	=14	=1114	382-406	48-51	7.5	100
30H	10.8-11.3	1080-1130	=10.0	=796	=17	=1353	223-247	28-31	7.5	120
33H	11.3-11.7	1130-1170	=10.5	=836	=17	=1353	247-271	31-34	7.5	120
35H	11.7-12.2	1170-1220	=10.9	=868	=17	=1353	263-287	33-36	7.5	120
38H	12.2-12.5	1220-1250	=11.3	=899	=17	=1353	287-310	36-39	7.5	120
40H	12.5-12.8	1250-1280	=11.6	=923	=17	=1353	302-326	38-41	7.5	120
42H	12.8-13.2	1280-1320	=12.0	=955	=17	=1353	318-342	40-43	7.5	120
45H	13-13.6	1300-1360	=12.1	=963	=17	=1353	326-358	43-46	7.5	120
48H	13.7-14.3	1370-1430	=12.5	=995	=17	=1353	366-390	46-49	7.5	120
30SH	10.8-11.3	1080-1130	=10.1	=804	=20	=1592	223-247	28-31	7.5	150
33SH	11.3-11.7	1130-1170	=10.6	=844	=20	=1592	247-271	31-34	7.5	150
35SH	11.7-12.2	1170-1220	=11.0	=876	=20	=1592	263-287	33-36	7.5	150
38SH	12.2-12.5	1220-1250	=11.4	=907	=20	=1592	287-310	36-39	7.5	150
40SH	12.5-12.8	1240-1280	=11.8	=939	=20	=1592	302-326	38-41	7.5	150
42SH	12.8-13.2	1280-1320	=12.4	=987	=20	=1592	318-342	40-43	7.5	150
45SH	13.2-13.8	1320-1380	=12.6	=1003	=20	=1592	342-366	43-46	7.5	150
28UH	10.2-10.8	1020-1080	=9.6	=764	=25	=1990	207-231	26-29	7.5	180
30UH	10.8-11.3	1080-1130	=10.2	=812	=25	=1990	223-247	28-31	7.5	180
33UH	11.3-11.7	1130-1170	=10.7	=852	=25	=1990	247-271	31-34	7.5	180
35UH	11.8-12.2	1180-1220	=10.8	=860	=25	=1990	263-287	33-36	7.5	180
38UH	12.2-12.5	1220-1250	=11.0	=876	=25	=1990	287-310	36-39	7.5	180
40UH	12.5-12.8	1240-1280	=11.3	=899	=25	=1990	302-326	38-41	7.5	180
28EH	10.4-10.9	1040-1090	=9.8	=780	=30	=2388	207-231	26-29	7.5	200
30EH	10.8-11.3	1080-1130	=10.2	=812	=30	=2388	223-247	28-31	7.5	200
33EH	11.3-11.7	1130-1170	=10.5	=836	=30	=2388	247-271	31-34	7.5	200
35EH	11.7-12.2	1170-1220	=11.0	=876	=30	=2388	263-287	33-36	7.5	200
38EH	12.2-12.5	1220-1250	=11.3	=899	=30	=2388	287-310	36-39	7.5	200
28AH	10.4-11.0	1040-1100	=9.7	=772	=35	=2786	207-231	26-29	7.5	220
30AH	10.8-11.7	1080-1170	=10.2	=812	=35	=2786	223-255	28-32	7.5	220
33AH	11.4-12.2	1140-1220	=10.7	=851	=35	=2786	247-279	31-35	7.5	220
35AH	11.7-12.5	1170-1250	=11.0	=876	=35	=2786	263-295	33-37	7.5	220