METHOD OF PRODUCING HOT-GALVANIZED METAL OF HIGH DRAWING CATEGORIES WITH THINNEST ZINC-PLATING AND SUPERIOR STAMPING ABILITY Russian patent published in 1999 - IPC

Abstract RU 2128719 C1

FIELD: technology of production of hot-galvanized metal used in production of a new type of products - steel with the thinnest zinc plating in automotive industry. SUBSTANCE: method includes melting of steel of definite chemical composition, hot rolling on continuous wide-strip mill 2000, pickling in continuous pickling unit, cold rolling on five-stand tandem mill 2030, annealing in bell-type furnaces, temper rolling and treatment in continuous hot galvanizing unit. The method ensures production of a new type of products for automotive industry, stable production of high-grade competitive hot-galvanized metal of high drawing categories with the thinnest zinc coating of less than 10 mcm thick, superior stamping ability and weldability, and perfect adhesion of coating. EFFECT: higher efficiency. 1 dwg, 1 tbl

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RU 2 128 719 C1

Authors

Frantsenjuk I.V.

Frantsenjuk L.I.

Bykhanov M.V.

Kazakov V.V.

Kon'Shin A.P.

Nikitin A.V.

Dates

1999-04-10Published

1997-03-05Filed