Posco oriented silicon steel patent dispute

These steel mills have their own enterprise standards, but the brand's iron loss value and thickness are the same.

Take 600-grade non-oriented silicon steel, Kawasaki's is 50JN600. Nippon Steel 50H600. South Korea's is 50A600. Baosteel is B50A600. WISCO is 50WW600. Some letters in it are company logos. For example, 50JN600. J stands for JFE. N stands for non-oriented silicon steel. B50A600, B stands for Baosteel, and A stands for ordinary non-oriented silicon steel.