Method for producing packaging steel
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United States of America Patent
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May 16, 2017
Grant Date -
Jan 8, 2015
app pub date -
Nov 30, 2012
filing date -
Dec 22, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for producing packaging steel consisting of a cold-rolled steel sheet made of unalloyed or low-alloy steel having a carbon content of less than 0.1%. In order to provide high-strength packaging steel that has good formability and high corrosion resistance and can be produced in as energy-saving a manner as possible, the steel sheet according to the invention is first coated with a metallic coating and then annealed in a recrystallizing manner at a heating rate of more than 75 K/s and preferably more than 100 K/s to temperatures of more than 700° C., such that the metallic coating melts. The coated and annealed steel sheet is then quenched to normal temperature at a cooling rate of at least 100 K/s.
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
- C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- C22C:ALLOYS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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