NdFeB magnet

NdFeb magnet widespread use in speaker manufacture, packing box, ,,,,

NO.	Grade	Br		Hcb		Hci		(BH)max		temperature (max)
		KG	T	Koe	KA/m	KOe	KA/m	KGOe	KJ/m3	°C
1	N-33	11.4-11.8	1.14-1.18	≥10.5	≥836	≥12	≥955	31-33	247-263	80
2	N-35	11.8-12.3	1.18-1.23	≥10.8	≥860	≥12	≥955	33-36	263-287	80
3	N-38	12.3-12.7	1.23-1.27	≥10.8	≥860	≥12	≥955	36-39	287-310	80
4	N-40	12.7-12.9	1.27-1.29	≥11.0	≥876	≥12	≥955	38-41	303-326	80
5	N-42	12.9-13.3	1.29-1.33	≥10.5	≥836	≥12	≥955	40-43	318-342	80
6	N-45	13.3-13.8	1.33-1.3	≥9.5	≥756	≥12	≥955	43-46	342-366	80
7	N-30M	10.8-11.4	1.08-1.14	≥9.8	≥780	≥14	≥1114	28-31	223-247	100
8	N-33M	11.4-11.8	1.14-1.18	≥10.3	≥820	≥14	≥1114	31-33	247-263	100
9	N-35M	11.8-12.3	1.18-1.23	≥10.8	≥860	≥14	≥1114	33-36	263-287	100
10	N-38M	12.3-12.7	1.23-1.27	≥11.0	≥876	≥14	≥1114	36-39	287-310	100
11	N-40M	12.7-12.9	1.27-1.29	≥11.4	≥907	≥14	≥1114	38-41	303-326	100
12	N-30H	10.8-11.4	1.08-1.14	≥10.2	≥812	≥17	≥1353	28-31	223-247	120
13	N-33H	11.4-11.8	1.14-1.18	≥10.6	≥844	≥17	≥1353	31-33	247-263	120
14	N-35H	11.8-12.3	1.18-1.23	≥11.0	≥876	≥17	≥1353	33-36	263-287	120
15	N-38H	12.3-12.7	1.23-1.27	≥11.2	≥890	≥17	≥1353	36-39	287-310	120
16	N-40H	12.7-12.9	1.27-1.29	≥11.5	≥915	≥17	≥1353	38-41	303-326	120
17	N-30SH	10.8-11.4	1.08-1.14	≥10.0	≥796	≥21	≥1672	28-31	223-247	150
18	N-33SH	11.4-11.8	1.14-1.18	≥10.5	≥836	≥21	≥1672	31-34	247-263	150
19	N-35SH	11.8-12.3	1.18-1.23	≥11.0	≥876	≥21	≥1672	33-36	263-287	150
20	N-38SH	12.3-12.7	1.23-1.27	≥11.4	≥907	≥21	≥1672	36-39	287-310	150

NdFeB magnet