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Hae-Chang Choi

POSCO

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Publication

Featured researches published by Hae-Chang Choi.

Archive | 2001

Steel plate having superior toughness in weld heat-affected zone and welded structure made therefrom

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2001

Steel plate to be precipitating tin+mns for welded structures, method for manufacturing the same and welding fabric using the same

Hong-Chul Jeong; Hae-Chang Choi; Wung-Yong Choo

Archive | 2001

Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom

Hae-Chang Choi; Hong-Chul Jeong

Archive | 2001

Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2005

Method for manufacturing steel plate having superior toughness in weld heat-affected zone

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2001

Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, and welded structure made therefrom

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2001

Steel plate to be precipitating tinfor weleded structures, method for manufacturing the same, welding fabric using the same

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2004

Steel plate having TiN&plus CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom

Hong-Chul Jeong; Hae-Chang Choi

Archive | 2001

Steel plate having Tin+MnS precipitates for welded structures, method for manufacturing same and welded structure

Hong-Chul Jeong; Hae-Chang Choi; Wung-Yong Choo

Archive | 2003

Steel Plate to be precipitating Tin+Zrn for welded structures, method for mfg. same and welding fabric using same

Hae-Chang Choi; Hong-Chul Jeong

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Collaboration

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Hong-Chul Jeong

POSCO

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Wung-Yong Choo

POSCO

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