Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating line
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United States of America Patent
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Oct 31, 2023
Grant Date -
Oct 7, 2021
app pub date -
Jul 31, 2019
filing date -
Aug 22, 2018
priority date (Note) -
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Abstract
Provided is a method of producing a hot-dip metal coated steel strip with which a hot-dip metal coated steel strip of high quality can be produced by sufficiently suppressing edge overcoating. The method comprises spraying gas from a pair of gas wiping nozzles 20A and 20B onto a steel strip S while being pulled up from a molten metal bath 14, to adjust a coating weight of molten metal on both sides of the steel strip S, wherein a pair of baffle plates 40 and 42 are respectively placed outside of both transverse edges of the steel strip, and a height B of a lower end of each of the pair of baffle plates 40 and 42 with respect to a bath surface of the molten metal bath is set to +50 mm or less, where an upper side in a vertical direction is positive.
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