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23QG090 cold rolled oriented silicon steel is kind of high permeability type cold rolled grain-oriented electrical steel strip, with a nominal maximum specific total loss P1.7/50 of 0.90 W/kg, nominal thickness is 0.23mm, supplied in the fully processed state.
link:https://www.chinasiliconsteel.com/oriented-silicon-steel/high-permeability-grain-oriented-electrical-steel/23qg090-cold-rolled-oriented-silicon-steel.html
23QG090 Cold Rolled Oriented Silicon Steel