Electrical Steel Coil (ES)：JIS C2552

CSC non-directional Electrical steel plates products standard
Application: each motor, ballast, transformer, electricity generator part of ferrite core

Level Standard

CSC Product
Level

JIS C2552
Standard

Thickness

Density

Iron Loss
W15/50

Magnetic
Field (T)

20CS1500HF

0.25

7.65

3.0

1.60

35CS210	35A210	0.35	7.55	2.1	1.60
35CS250	35A250		7.60	2.5	1.60
35CS300	35A300		7.65	3.0	1.60
35CS440	35A440		7.70	4.4	1.64
35CS550			7.75	5.5	1.64

50CS230	50A230	0.5	7.55	2.3	1.60
50CS290	50A290		7.60	2.9	1.60
50CS350	50A350		7.65	3.5	1.60
50CS400	50A400		7.65	4.0	1.61
50CS470	50A470		7.70	4.7	1.62
50CS600	50A600		7.75	6.0	1.65
50CS700	50A700		7.75	7.0	1.68
50CS800	50A800		7.75	8.0	1.68
50CS1000	50A1000		7.85	10.0	1.70
50CS1300	50A1300		7.85	13.0	1.70

65CS470	65A470	0.65	7.65	4.7	1.62
65CS600			7.75	6.0	1.65
65CS800	65A800		7.75	8.0	1.66
65CS1300	65A1300		7.85	13.0	1.64

Electrical steel coil mechanical and space factor
Steel	YieId Strength (N/mm²)		Tensile Strength (N/mm²)		Elongation(%)		Hardness		Repeated Bending Frequency		Space Factor (%)
Steel	L	C	L	C	L	C	HR30T	HV1	L	C	Space Factor (%)
20CS1500HF	362	375	489	509	22	21	67	180	38	25	>99
35CS210	439	457	555	575	18	16	72	218	9	7
35CS250	389	400	515	536	21	21	69	207	13	12
35CS300	341	355	483	505	23	22	67	185	17	16
35CS440	308	310	430	445	30	31	65	155	35	33
35CS550	292	302	403	414	34	35	61	138	39	37
50CS230	433	465	551	581	20	18	75	217	5	4
50CS290	376	394	513	537	25	26	72	199	7	6
50CS350	325	334	460	475	26	29	68	207	12	12
50CS400	318	329	453	473	29	31	69	165	25	24
50CS470	303	313	426	449	32	33	65	155	23	23
50CS600	300	307	403	413	35	38	60	135	24	23
50CS700	298	318	424	443	36	35	60	147	23	22
50CS800	332	342	407	414	35	32	60	129	25	24
50CS1000	313	353	402	410	37	38	60	130	24	25
50CS1300	312	330	388	394	37	38	58	120	14	23
65CS470	336	353	484	501	31	33	70	178	18	12
65CS600	276	278	411	415	37	38	60	142	18	17
65CS800	300	274	433	427	37	38	62	143	18	18
65CS1300	316	324	402	408	37	38	59	123	18	18

Tolerances on Dimensions
Tolerance on Thickness	Deviation of thickness in transverse direction	Tolerance on Width
±0.01	0.02	4

Types and Feature of Insulating Film C628+C6N8
	C628	C6N8
Composition	inorganic + organic
Average thickness of film	0.6μm	0.6μm
Color	Sliver White
Interlaminar resistance	>10Ω•cm²/sheet
Bending Test	No film peeled after bending(Bend radius 10mm), Adhesion is very good.
Solvent Test	No film peeled after rubbing 50 times with alcohol.
Punch ability	Film is firmly bonded on to motor sheet that it will never peel off due to cutting and punching.
Heat Resistance	Film remains shinning and adheres well after 1 hr at 750˚C protected by N2 gas
Resistance to Corrosion	Area of rust<50% after 5 hrs spraying by 5%, 35˚C NaCl solution.
Application grades	Without Cr-free requirement	With Cr-free requirement