ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,172, issued on Nov. 25, was assigned to TATA STEEL IJMUIDEN B.V. (Ijmuiden, Netherlands).
"Method of making a cold formable high strength steel strip and steel strip" was invented by Radhakanta Rana (Alkmaar, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing steel strip including the steps of: casting molten steel into slabs; reheating the slabs at 1150deg C. or more for 1 hour or more; hot rolling the steel into a strip, preferably with an average F1 slab entry temperature above 1000deg C.; coiling the hot rolled steel strip; batch annealing the steel strip: at an intercritical temperature (i.e. between Ac1 and Ac...