
CRGO Grain Oriented Electrical Steel are specialized steels plates made from cold-rolled silicon steel. These coils are primarily used in the construction of transformer cores due to their superior magnetic properties and low core losses.
CRGO steel coils are produced through a series of manufacturing processes. The first step involves the production of hot-rolled steels coils. These coils are then annealed to induce grain growth and improve their magnetic properties. After annealing, the coils undergo a cold-rolling process to reduce their thickness and enhance surface finish. The cold-rolling process also aligns the crystallographic orientation of the steel, resulting in a preferred grain orientation.
Cold rolled oriented electrical steels
Name |
Rolling |
Orientation |
Silicon Content |
Use |
Hot Rolled Low Silicon Steels |
Hot Rolled |
No Orientation |
1.0%-2.5% |
Household Motors And Micromotors |
Hot Rolled High Silicon Steels |
Hot Rolled |
No Orientation |
3.0%-4.5% |
Transformer |
Cold Rolled Grain Oriented Silicon Steel |
Cold Rolled |
Normal Orientation/High Magnetic Induction Orientation |
|
|
Low Carbon Electricals Steel |
Cold Rolled |
No Orientation |
<0.5% |
Household Motors, Micromotors, Small Transformers And Ballasts |
Silicon Steels |
Cold Rolled |
No Orientation |
0.5%-3.5% |
Medium And Large Motors, Generators And Transformers |
CRGO Electrical Steels
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