We are the country's top CRGO wound core manufacturers. The CRGO wound cores are fabricated with premium CRGO steel metal product durability and performance efficiency. Our range comes in multiple specifications to meet the unique requirements of our clients. Mainly rectangular and round shape is preferred by clients. . These CRGO wound core is highly suitable for pole transformers, PAD transformers and single phase transformers. The silicon content present in our CRGO wound core helps in achieving high degree of 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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