We are highly appreciated for the high efficient variety of CRGO Toroidal Rectangular Core that we manufacture using Cold Rolled Grain Oriented Silicon Steel to ensure long service life. We offer these CRGO Toroidal Rectangular Core in varied shapes and sizes to meet the diverse requirements of patrons. We have the capability to create Indian, European, and American & Continental sizes. Our cores are 3% silicon iron, cold reduced to develop a high degree of grain orientation.
Product Specifications: | ||||||||||
Strips/Mitered | As per customers drawing | |||||||||
Special Laminations | CVT Core, 3 Phase core, UI core | |||||||||
CRGO Laminations | Grade M2, M3, M4, M5 & M6 Min. Watt loss 0.55 to max watt loss 1.01 |
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Typical Mechanical Properties and Laminations Factors | ||||||||||
Thickness mm (in.) |
Grade | Assumed Density Kg/dm3 |
Resistivity o-m (x10-8) |
Core loss Watts per kilogram |
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50 Hz | 60 Hz | |||||||||
1.5T 1.7T | 1.5T 1.7T | |||||||||
0.23 (0.009) |
M-1 M-2 |
7.65 | 50 50 |
0.73 1.08 0.93 1.37 0.76 1.12 0.97 1.43 |
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0.27 (0.0106) |
M-3 M-4 |
7.65 | 48 48 |
0.80 1.17 1.04 1.50 0.83 1.22 1.08 1.59 |
Non-Oriented Electrical Steel Sheets | |||||
0.30 (0.0118) |
M-5 | 7.65 | 48 48 |
0.89 1.29 1.17 1.68 | Cold Rolled Non-Oriented Steel | |||||
0.30 (0.0118) |
M-5 | 7.65 | 48 48 |
1.01 1.46 1.32 1.90 | Grade and Specifications | |||||
Grade | Thickness Mm (in.) |
Assumed Density Kg/dm3 |
Maximum Core Loss Watt/Kg At 50 Hz & 1.5T |
Minimum Magnetic flux density at 5000 A/mT |
Minimum Lamination@ Factor % |
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*M-22 M-27 M-36 |
0.35 (0.0138) |
7.70 7.70 7.70 |
2.93 3.13 3.31 |
1.60 1.60 1.60 |
95 | |||||
M-22 M-27 M-36 M-43 M-45 M-47A |
0.50 (0.0197) |
7.70 7.70 7.70 7.70 7.75 7.75 |
3.22 3.21 3.57 4.01 5.31 6.98 |
1.60 1.60 1.60 1.61 1.62 1.64 |
96 | |||||
M-36 M-46 M-45 |
0.65 (0.0256) |
7.70 7.70 7.75 |
4.18 4.70 6.27 |
1.60 1.61 1.63 |
96.5 |
For close to half a century we have been offering our wide based clientele a high quality range of Transformer Laminations in CRGO and CRNGO in such varieties as Transformer Mitered Laminations and Toroidal Coil.
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