STEEL SHEET HAVING LUBRICATING FILM AND PRODUCTION METHOD THEREFOR

Title:

STEEL SHEET HAVING LUBRICATING FILM AND PRODUCTION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2020/031840

Kind Code:

A1

Abstract:

Provided is a steel sheet having excellent press molding properties and having a lubricating film which has excellent film removal properties and adhesive properties. Provided is a steel sheet having a lubricating film, wherein said steel sheet has the lubricating film on at least one face of a steel sheet surface, said lubricating film containing one or more fatty acid salts selected from sodium salts and sodium salts of fatty acids having a carbon number of 4-18 in a single molecule, and the amount of the fatty acid salt deposit on the face of the steel sheet is 0.20 g/m2 to 3.00 g/m2.

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Inventors:

SUMITANI AKIFUMI (JP)
FURUYA SHINICHI (JP)
MATSUDA TAKESHI (JP)

Application Number:

PCT/JP2019/030214

Publication Date:

February 13, 2020

Filing Date:

August 01, 2019

Export Citation:

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Assignee:

JFE STEEL CORP (JP)

International Classes:

C23C26/00; B05D7/24; B32B15/04; C10M105/24; C10N10/02; C10N30/00; C10N40/24; C10N50/02

Foreign References:

JP2011252181A	2011-12-15
JPH0289519A	1990-03-29
JP2007046126A	2007-02-22

Attorney, Agent or Firm:

KUMASAKA Akira et al. (JP)

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