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Lamination Stampings In Crgo & Crngo Grades:
Steel Mart has recently indented a huge
consignment of CRGO & CRNGO Silicon Steel sheets and coils and are
totally equipped with new dies and machinery to cut and supply
lamination stampings and also torodial cores and mitred strips for
transformers. All the stampings will be cut on pillar die sets to
ensure zero burrs and the watt losses will be bare minimum and all the
CRGO stampings will be Nitrogen Gas Annealed for stress relief. Steel
mart ensures that the quality of the Lamination Stampings will be
nearest to the GKW materials and there will be no chance of any sort of
complaints in the materials.
Steel Mart has drastically cut the rates due to
direct import of raw materials and also due to higher production
capacity and factory location being shifted outside octroi limits.
Please contact Steel Mart either by fax / email
/ post-courier or telephone for your requirements of any and every kind
of Lamination Stampings, Strips, Cores, Mitred Strips etc.
E & I Laminations - Strips - Cores
- E/I Type standard laminations and J laminations
(Type No. L-164, L-109, 1, 35, 17, 41, 043, 12A, 74, 23, 30, 31, 15,
33, 3, 16, 6, 43, 8, 8B.
- Torodial Cores: Ring / Split / Sheared Types.
- "C" Cores.
- Rectangular strips with / without holes.
- Mitres strips / V Notch strips.
Material Grades & Specifications:
CRGO (Cold Rolled Grain Oriented)
|
Thickness
(mm)
|
Grade
|
Density
Grammes
CC
|
Maximum Core Loss at
1.5 Tesla - 50 Cycles
Watts per Kg.
|
Approximate
Silicon
Content %
|
Stacking
Factor
%
|
0.28
|
m-4 (41)
|
7.65
|
0.89
|
2.5
|
97
|
0.30
|
m-5 (46)
|
7.65
|
0.97
|
2.5
|
97
|
0.35
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m-6 (51)
|
7.65
|
1.11
|
2.5
|
98
|
Nitrogen Gas Annealed for Stress Relief
|
CRNGO (Cold Rolled Nongrain Oriented)
|
Thickness
(mm)
|
Grade
|
Density
Grammes
CC
|
Maximum Core Loss at
1.5 Tesla - 50 Cycles
Watts per Kg.
|
Approximate
Silicon
Content %
|
Stackin
Factor
%
|
0.50
|
m-43
|
7.65
|
4.01
|
0.200
|
98
|
0.50
|
m-45
|
7.65
|
5.31
|
1.35
|
98
|
0.50
|
m-47
|
7.65
|
8.01
|
0.80
|
98
|
C-3 / C-4 Coating
|
Type
No.
|
Nominal Dimensions (mm)
|
Rivet
No.
|
Hole
Dia. (mm)
|
A
|
B
|
C
|
D
|
E
|
F
|
G
|
L-164
|
19.10
|
15.90
|
04.80
|
11.10
|
02.40
|
04.80
|
02.40
|
--
|
--
|
L-109
|
25.40
|
19.10
|
06.40
|
12.70
|
03.20
|
06.40
|
03.20
|
--
|
--
|
1
|
28.60
|
24.40
|
07.30
|
17.40
|
03.50
|
07.10
|
03.50
|
--
|
--
|
35
|
35.00
|
29.20
|
09.50
|
19.60
|
04.80
|
08.00
|
04.80
|
--
|
--
|
17
|
38.10
|
31.80
|
12.70
|
19.10
|
06.40
|
06.40
|
06.40
|
--
|
--
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41
|
41.00
|
33.00
|
13.00
|
21.00
|
06.00
|
08.00
|
06.00
|
--
|
--
|
043
|
43.00
|
35.00
|
13.00
|
21.00
|
07.00
|
08.00
|
07.00
|
--
|
--
|
12A
|
47.60
|
39.70
|
15.90
|
23.80
|
07.90
|
07.90
|
07.90
|
--
|
--
|
74
|
52.40
|
43.70
|
17.50
|
26.20
|
08.70
|
08.70
|
08.70
|
--
|
--
|
23
|
57.20
|
47.60
|
19.10
|
28.60
|
09.50
|
09.50
|
09.50
|
--
|
--
|
30
|
60.00
|
50.00
|
20.00
|
30.00
|
10.00
|
10.00
|
10.00
|
4
|
3.970
|
31
|
66.70
|
55.60
|
22.20
|
33.30
|
11.10
|
11.10
|
11.10
|
--
|
--
|
15
|
76.20
|
63.50
|
25.40
|
38.10
|
12.70
|
12.70
|
12.70
|
4
|
5.560
|
33
|
84.00
|
70.00
|
28.00
|
42.00
|
14.00
|
14.00
|
14.00
|
4
|
4.370
|
3
|
95.30
|
79.40
|
31.80
|
47.60
|
15.90
|
15.90
|
15.90
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4
|
6.350
|
16
|
114.30
|
95.30
|
38.10
|
57.20
|
19.10
|
19.10
|
19.10
|
4
|
5.560
|
6
|
127.00
|
114.30
|
38.10
|
76.20
|
19.10
|
25.40
|
19.10
|
4
|
6.350
|
43
|
152.40
|
127.00
|
50.80
|
76.20
|
25.40
|
25.40
|
25.40
|
4
|
6.750
|
8
|
184.50
|
171.50
|
50.80
|
120.70
|
25.40
|
41.30
|
25.40
|
4
|
9.520
|
8B
|
235.00
|
196.90
|
76.20
|
120.70
|
38.10
|
41.30
|
38.10
|
4
|
11.000
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