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GO Electrical Steel

Grain Oriented Electrical Steel (CRGO) is a cold rolled special steel with a low Carbon content and up to 3.5% of Silicon. The steel is processed in such a way as to develop superior magnetic properties highly oriented with the direction of rolling, resulting in inferior properties in all other directions.

GO is produced in different grades suitable for each specific application as follows:

CRGO Applications

In general, CRGO electrical steels are used in large to medium and small power transformers, distribution transformers, current transformers, reactors, audio transformers and chokes.

The selection of the most suitable grade for any given application is based on the best combination of the characteristics required by the specific design. Examples are the need for high induction permeability that may require higher core losses and viceversa the imperative of low core losses may force the use of more expensive material.

One other important characteristic to be considered is the surface insulation of CRGO as this, together with the thickness of the material, is one of the factors that influence the interlaminar eddy current circulating across the entire stack of laminations. The types of surface insulation most common for CRGO are:


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