WELDED JOINT OF EXTREMELY LOW-TEMPERATURE STEEL, AND WELDING MATERIALS FOR PREPARING SAME

摘要

Provided are a welded joint of extremely low-temperature steel and flux cored, submerged, and gas metal arc welding materials which can be used to prepare the welded joint, wherein the welded joint of extremely low-temperature steel has outstanding impact toughness in extremely low-temperature conditions and excellent yield strength at room temperature.