Self-Shielded Flux Cored Wire for Welding of Austenite Stainless Steel

Provided is a self-shield flux cored wire for welding austenite stainless steel. In the self-shield flux cored wire of the present invention, the flux is formed of metal components, by wt% with respect to the wire, including 0.6-2.8% of CaF_2, 0.3-2.0% of CaSiO_3, 2.0-5.0% of TiO_2, 0.2-1.0% of MgO,...

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Bibliographische Detailangaben
Hauptverfasser:	CHO SEUNG MOK, YOO DONG HYUN, KIM YONG DEOG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Provided is a self-shield flux cored wire for welding austenite stainless steel. In the self-shield flux cored wire of the present invention, the flux is formed of metal components, by wt% with respect to the wire, including 0.6-2.8% of CaF_2, 0.3-2.0% of CaSiO_3, 2.0-5.0% of TiO_2, 0.2-1.0% of MgO, 0.4-0.6% of Si, 0.8-1.2% of Mn, 0.1-0.5% of LiF, and the remaining of Fe powder, and inevitable impurities, wherein a value A defined by a relational expression can satisfy 1.1-2.2. Therefore, the present invention is capable of securing a sound welding bead exterior. 오스테나이트계 스테인리스강 용접용 셀프 실드 플럭스 코어드 와이어가 제공된다. 본 발명의 셀프 실드 플럭스 코어드 와이어에서, 상기 플럭스는, 상기 와이어에 대한 중량%로, CaF2: 0.6~2.8%, CaSiO3: 0.3~2.0%, TiO2: 2.0~5.0%, MgO: 0.2~1.0%, Si: 0.4~0.6%, Mn: 0.8~1.2%, LiF: 0.1~0.5%, 잔여 Fe 분말을 포함하는 금속 성분 및 불가피한 불순물로 이루어지며, 관계식 1에 의해 정의되는 A 값이 1.1~2.2를 만족한다.