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Patent Searching and Data


Title:
MARTENSITIC STAINLESS STEEL HIGHLY RESISTANT TO CORROSION, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2012/091394
Kind Code:
A2
Abstract:
The present invention relates to martensitic stainless steel highly resistant to corrosion, which contains at least one of around 0.50 wt % to around 0.60 wt % of carbon, around 0.02 wt % to around 0.08 wt % of nitrogen, around 0.1 wt % to around 0.4 wt % of silicon, around 0.3 wt % to around 0.6 wt % of manganese, around 12 wt % to around 15 wt % of molybdenum, and around 0.1 wt % to around 1.5 wt % of tungsten and iron and inevitable impurities, as well as to a method for manufacturing same. Thus, the martensitic stainless steel highly resistant to corrosion has superior manufacturability and corrosion resistance.

Inventors:
JO KI-HOON (KR)
CHAE DONG-CHUL (KR)
SON WON-QEUN (KR)
KIM BONG-WN (KR)
Application Number:
PCT/KR2011/010123
Publication Date:
July 05, 2012
Filing Date:
December 26, 2011
Export Citation:
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Assignee:
POSCO (KR)
JO KI-HOON (KR)
CHAE DONG-CHUL (KR)
SON WON-QEUN (KR)
KIM BONG-WN (KR)
International Classes:
C22C38/00; B21B1/46; C21D7/06; C22C38/18
Foreign References:
JP2001271144A2001-10-02
KR100356174B1
JP2001049399A2001-02-20
JPH1161351A1999-03-05
JP2005206865A2005-08-04
Attorney, Agent or Firm:
SHIN, Young-Moo (KR)
신영무 (KR)
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Claims: