METHOD AND DEVICE FOR MANUFACTURING BLACK PLATED STEEL SHEET

WIPO Patent Application WO/2018/135518

A1

The present invention relates to a method for manufacturing a black plated steel sheet by bringing a molten Al- and Mg-containing Zn-plated steel sheet into contact with water vapor in a sealed container, and provides a method for manufacturing a black plated steel sheet whereby a plating layer is uniformly blackened and improve appearance is obtained. A method for manufacturing a black plated steel sheet by bringing a molten Al- and Mg-containing Zn-plated steel sheet 1 into contact with water vapor in a sealed container 10, the sealed container 10 being configured so that either the flow rate of water vapor introduced into the sealed container 10 or the flow rate of water vapor discharged from the sealed container 10 is variably controlled, whereby the pressure in the sealed container 10 is maintained at a predetermined value, and the water vapor introduced into the sealed container 10 and the molten Al- and Mg-containing Zn-plated steel sheet 1 being brought into contact with each other in the sealed container 10 in which the pressure thereof can be maintained at the predetermined value.

YAMAMOTO MASAKI (JP)
NAKANO TADASHI (JP)
TAKAHASHI ICHIRO (JP)
NAKAMIZO HIROYUKI (JP)
SATO TOSHIAKI (JP)
KURISU YOSHINOBU (JP)
SAKURABA YUUKI (JP)
YUKURA YOSHITAKA (JP)
OHTA TSUTOMU (JP)
KAJIMOTO SHINICHI (JP)
SUZUKI NOBORU (JP)
TSUCHIYAMA MASAHIKO (JP)
MURAI YUUSUKE (JP)

PCT/JP2018/001153

July 26, 2018

January 17, 2018

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NISSHIN STEEL CO LTD (JP)

C23C8/16; C23C2/06; C23C2/26; C23C28/00

JP2012240371A	2012-12-10
JP2013241671A	2013-12-05
JP2013241676A	2013-12-05
JPS5335159B2	1978-09-26
JP2013241676A	2013-12-05

See also references of EP 3572552A4

NAYA Hiromitsu et al. (JP)

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