Grain-oriented electrical steel sheet having high tensile...

Details Grain-oriented electrical steel sheet having high tensile... Grain-oriented electrical steel sheet having high tensile...

2011-08-16

2011-08-16

Sheehan, John P (Department: 1736)

Metal treatment

Stock

Magnetic

C148S111000, C148S113000

Reexamination Certificate

active

07998284

ABSTRACT:
Grain-oriented electrical steel sheet having a chrome-free high tensile strength insulating film characterized by comprising steel sheet on the surface of which is formed an insulating film containing a phosphate and colloidal silica as main ingredients and containing crystalline magnesium phosphate uniformly dispersed over the entire surface.

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