WELDING JOINT HAVING EXCELLENT IN TOUGHNESS OF HIGH HEAT INPUT WELDED ZONE

• Main Authors: AN, YOUNG HO, JEONG, HONG CHUL, PARK, YOUNG HWAN
• Format: Patent
• Language: English
• Published: 27.05.2008
• Subjects: ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A welding joint comprising Fe, C, Si, Mn, Ni, Mo, Ti, B, Al, N, P, S, O, and other inevitable impurities is provided to secure high toughness in a high heat input welded zone of at least 500 kJ/cm by promoting the intragranular acicular ferrite transformation by using fine TiO oxide and TiO-TiN-MnS...