High-fracture-toughness titanium type flux-cored wire for ocean engineering

The invention provides a high-fracture-toughness titanium type flux-cored wire for ocean engineering. A flux core of the welding wire comprises nonmetal powder and metal powder. According to the titanium-type flux-cored wire for ocean engineering, the deoxidizing agent component in the formula of the flux-cored wire is innovatively optimized, the formula of the novel titanium-type flux-cored wire for ocean engineering is determined, and the low-temperature impact toughness and the fracture toughness of a welded joint are effectively improved while the requirement for ocean construction use is met. 本发明创造提供了一种海洋工程用高断裂韧性钛型药芯焊丝，所述焊丝药芯包括非金属药粉和金属类药粉。本发明创造所述的本发明对药芯焊丝的配方中脱氧剂组分的创新优化，确立了新型海洋工程用钛型药芯焊丝的配方，在满足海洋施工使用的同时，有效提高了焊接接头的低温冲击韧性与断裂韧性。