US Patent Issued to NIPPON STEEL on April 7 for "Flux and production method of steel product with hot-dip Zn-Al-Mg coating using said flux" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,542, issued on April 7, was assigned to NIPPON STEEL Corp. (Tokyo).

"Flux and production method of steel product with hot-dip Zn-Al-Mg coating using said flux" was invented by Koutarou Ishii (Tokyo) and Takao Tsujimura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technique that can produce a hot dip Zn-Al-Mg-based alloy coated steel product with a good plating appearance, without the need for heating of a steel product prior to immersion in a hot dip plating bath. Flux (11) for hot dip Zn-Al-Mg-based alloy plating contains: ZnCl2; and a low-reactive chloride which has low reactivity with respect to Mg in a plating bath and con...