ISO  
         
   
   
   
     
  Electrical Steel Sheet and EI Lamination  
 

Electrical steel, also called lamination steel, silicon electrical steel, silicon steel or transformer steel, is specialty steel tailored to produce certain magnetic properties, such as a small hysteresis area (small energy dissipation per cycle, or low core loss) and high permeability.

Electrical steel is usually coated to increase electrical resistance between laminations, to provide resistance to corrosion or rust, and to act as a lubricant during die cutting.

It is common material used in transformer and motor core.

Some measureing parameters related to Electric Steel includes:

“Electric Current” amphere
“Voltage” volt
“Electric Resistance” ohm
“Inductance” henry
“Magnetic Field Strength” oersted
“Magnetic Flux Density” tesla
“Core Loss” W/Kg
“Frequency” hertz
“Power     ” watt

.

Electrical Steel Sheet in Reel Form

  1. 50CS600
  2. 50CS1300

EI Lamination Size.

Type
Standard
A
B
C
D
E
F
G
H
I
J
K
R
E/I
EI
35
35
29.5
9.6
5
7.7
19.5
24.5
5
-
-
-
-
3.184
41
41
33
13
6
8
21
27
6
-
-
-
-
3.134
48
48
40
16
8
8
24
32
8
-
-
-
-
3
54
54
45
18
9
9
27
36
9
-
-
-
-
3
57
57
47.5
19
9.5
9.5
28.5
38
9.5
-
-
-
-
3
57(2H)
57
47.5
19
9.5
9.5
28.5
38
9.5
-
38
4.75
3.8
3.042
57(4H)
57
47.5
19
9.5
9.5
28.5
38
9.5
47.5
38
4.75
4.3
3.087
60
60
50
20
10
10
30
40
10
-
-
-
-
3
66
66
55
22
11
11
33
44
11
-
-
-
-
3
66(4H)
66
55
22
11
11
33
44
11
56
44
5.5
4.5
3.092
76.2
76.2
63.5
25.4
12.7
12.7
38.1
50.8
12.7
-
-
-
-
3
76.2(4H)
76.2
63.5
25.4
12.7
12.7
38.1
50.8
12.7
64
50.8
6.35
5
3.085
85.8
85.8
71.5
28.6
14.3
14.3
42.9
57.2
14.3
-
-
-
-
3
85.8(4H)
85.8
71.5
28.6
14.3
14.3
42.9
57.2
14.3
71
57.2
7.15
5
3.066
96(4H)
96
80
32
16
16
48
64
16
79
64
8
6
3.076
105(4H)
105
97.31
35
17.46
17.46
52.39
69.85
17.46
87.31
69.85
8.7
5.537
3.081
114(4H)
114
95
38
19
19
57
76
19
95
75
9.5
7
3.074
133.4(4H)
133.35
111.125
44.45
22.225
22.225
56.675
88.9
22.225
111.125
88.9
11.113
7.14
3.056
 
 
 
 

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