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Patent Searching and Data


Title:
HOT DIP COATED STEEL HAVING EXCELLENT PROCESSABILITY, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/117606
Kind Code:
A1
Abstract:
Disclosed are a hot dip coated steel and a method for manufacturing the same, the hot dip coated steel comprising a hot rolled steel and a hot dip coated layer formed on the surface of the hot rolled steel, wherein the hot rolled steel comprises: by wt%, 0.05-0.15% of C, 0.5% or less of Si (excluding 0%), 0.5-1.5% of Mn, 0.01-0.05% of Nb, 0.005-0.05% of V, 0.03% or less of P (excluding 0%), 0.015% of S (excluding 0%), 0.05% or less of Al (excluding 0%), 0.01% or less of N (excluding 0%), and the balance of Fe and inevitable impurities; 90 area% or more of ferrite as the microstructure thereof; and 5,000-15,000/μm2 of V-based precipitates.

Inventors:
KIM JIN-YOU (KR)
Application Number:
KR2017/015033
Publication Date:
June 28, 2018
Filing Date:
December 19, 2017
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C38/04; C21D8/02; C21D9/46; C22C38/02; C22C38/12; C22C38/22; C23C2/02; C23C2/04; C23C2/06; C23C2/12
Foreign References:
KR100548864B12006-02-02
JP2009057620A2009-03-19
KR20160104028A2016-09-02
JP2005344167A2005-12-15
JPH06264181A1994-09-20
KR100972357B12010-07-26
KR101038472B12011-06-02
KR101196889B12012-11-01
Other References:
See also references of EP 3561114A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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