Inventor
CHOI HAE-CHANG
KR5 patents
Patents
5 patentsUS7105066B2Sep 12, 2006
Steel plate having superior toughness in weld heat-affected zone and welded structure made therefrom
POSCO87 citations95
US6686061B2Feb 3, 2004
Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom
POSCO14 citations81
US6966955B2Nov 22, 2005
Steel plate having TiN+ZrN precipitates for welded structures, method for manufacturing same and welded structure made therefrom
POSCO8 citations71
US6946038B2Sep 20, 2005
Steel plate having Tin+MnS precipitates for welded structures, method for manufacturing same and welded structure
POSCO7 citations70
US7396423B2Jul 8, 2008
Method for manufacturing steel plate having superior toughness in weld heat-affected zone
POSCO1 citations49