In EN 10106:2007 standard (Cold rolled non-oriented electrical steel strip and sheet delivered in the fully processed state), for both steel grades, M270-50A and M250-50A, the standard limits the maximum anisotropy of loss (at 50 Hz and 1.5 T) as ±17%.
In such a case, what sort of precautions should be taken in steelmaking and/or hot/cold rolling or annealing processes in order to provide the anisotropy value lower than ±17%?
Thanks in advance for your answers.
Ramanathan Krishnan
In my opinion the Si content is critical to keep the anisotropy low. That has to be taken care of as the most importaant one. Cold rollong is a mechanical process.
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