Title:
COOLING LIQUID AND STEEL SHEET COOLING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/233450
Kind Code:
A1
Abstract:
This cooling liquid is for cooling a steel sheet, and contains a first ion that can change, in a solution, into a first substance that generates a reducing gas through decomposition, and a second ion that can form, through reaction with ferric oxide, an iron compound or an ionic compound complex including iron. The concentration of the first ion in the cooling liquid is 0.5-6 wt% and the concentration of the second ion in the cooling liquid is 1.0-28 wt%, while the total concentration of the first ion and the second ion is 2.0-33.0 wt%.
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Inventors:
KOSE HIROKAZU (JP)
NAKANO TAKASHI (JP)
INABA KOSUKE (JP)
NAKANO TAKASHI (JP)
INABA KOSUKE (JP)
Application Number:
PCT/JP2022/021889
Publication Date:
December 07, 2023
Filing Date:
May 30, 2022
Export Citation:
Assignee:
PRIMETALS TECH JAPAN LTD (JP)
International Classes:
C21D9/573; C23C2/02; C23G1/14; C23G1/24
Foreign References:
| JPH02170925A | 1990-07-02 | |||
| JPH01139728A | 1989-06-01 | |||
| JPS6442521A | 1989-02-14 | |||
| JPH01156429A | 1989-06-20 | |||
| JPS63192820A | 1988-08-10 | |||
| JPS61201737A | 1986-09-06 | |||
| CN107881295A | 2018-04-06 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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