Flux-cored welding rod for stainless steel welding
A technology of stainless steel and medicine, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of mechanical property degradation of welded joints, arc instability, melt-through, etc., and achieve enhanced anti-redness and cracking performance , Improve the comprehensive mechanical properties, improve the effect of strength and hardness
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Embodiment 1
[0029] To prepare the flux-cored electrode for stainless steel welding of the present invention, the composition of the nickel belt layer is calculated by mass percentage: copper 23%, manganese 2.1%, iron 3.2%, and the remainder is nickel; the composition of the flux core is calculated by mass percentage: 32% of chromium, 2.2% of molybdenum, 2.5% of titanium, 1.2% of silicon, 3.2% of modified potassium titanate, 1.5% of cerium oxide, and the balance is iron. The composition of the modified potassium titanate is calculated by mass percentage: titanium dioxide 32%, potassium carbonate 56%, and the balance being pyrophyllite ore powder; the thickness of the nano-graphene coating is about 10nm.
Embodiment 2
[0031] To prepare the flux-cored electrode for stainless steel welding of the present invention, the composition of the nickel belt layer is calculated by mass percentage: copper 26%, manganese 2.6%, iron 3.8%, and the remainder is nickel; the composition of the flux core is calculated by mass percentage: 38% chromium, 3.0% molybdenum, 3.0% titanium, 1.8% silicon, 4.5% modified potassium titanate, 2.5% cerium oxide, and the balance is iron. The composition of the modified potassium titanate is calculated by mass percentage: titanium dioxide 34%, potassium carbonate 59%, and the balance being pyrophyllite ore powder; the thickness of the nano-graphene coating is about 20nm.
Embodiment 3
[0033] To prepare the flux-cored electrode for stainless steel welding of the present invention, the composition of the nickel belt layer is calculated by mass percentage: copper 24%, manganese 2.3%, iron 3.6%, and the remainder is nickel; the composition of the flux core is calculated by mass percentage: 35% chromium, 2.6% molybdenum, 2.7% titanium, 1.5% silicon, 3.8% modified potassium titanate, 2.0% cerium oxide, and the balance is iron. The composition of the modified potassium titanate is calculated by mass percentage: titanium dioxide 33%, potassium carbonate 58%, and the balance being pyrophyllite ore powder; the thickness of the nano-graphene coating is about 15nm.
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