Flux-cored wire used for repairing continuous casting hollow foot roller sleeve, and cladding process of flux-cored wire
A technology of flux-cored welding wire and foot roll, which is applied in the direction of metal material coating process, welding medium, manufacturing tools, etc., can solve the problems of workpiece deformation, increase heat treatment process, and increase cost, so as to improve strength, promote overall high temperature fatigue, Effect of improving corrosion resistance
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Embodiment 1
[0028] A flux-cored wire for repairing continuous casting hollow foot roll sleeves, characterized in that the flux-cored wire contains self-fluxing alloy powder and a particle modifier, and the self-fluxing alloy powder includes 0.08-0.12% of carbon, 16-18% chromium, 4-6% nickel, 1.5-2.5% silicon, 0.5-2% boron, 1-3% molybdenum, 2-4% cobalt, 0.15-0.45% niobium and tantalum mixture and the balance of iron; the above-mentioned materials are calculated by mass;
[0029] Wherein, each of the above-mentioned materials is in powder form, and the particle size is 60-320 mesh.
[0030] The particle modifier is 4.5-5.5% chromium nitride, the particle size of the chromium nitride is 60-320 mesh, and the above-mentioned materials are calculated by mass;
[0031] In this embodiment, carbon comes from 68# micro-carbon ferrochromium; chromium comes from 68# micro-carbon ferrochrome or metal chromium; silicon comes from a kind of 45# ferrosilicon or 65# ferrosilicon; molybdenum comes from 60...
Embodiment 2
[0050] A flux-cored welding wire for repairing continuous casting hollow foot roll sleeves, including self-fluxing alloy powder and particle modifier, the self-fluxing alloy powder includes 0.08-0.12% carbon, 16-18% chromium, 4-6% nickel, 1.5-2.5% silicon, 0.5-2% boron, 1-3% molybdenum, 2-4% cobalt, 0.15-0.45% niobium and tantalum mixture and the balance iron ; The above-mentioned materials are measured by mass.
[0051] In this embodiment, carbon comes from 68# micro-carbon ferrochromium; chromium comes from 68# micro-carbon ferrochrome or metal chromium; silicon comes from a kind of 45# ferrosilicon or 65# ferrosilicon; molybdenum comes from 60# Ferromolybdenum; boron comes from 20# boron-iron alloy; nickel, cobalt, niobium and tantalum are all elemental metal powders.
[0052] Among them, among the above-mentioned materials, the addition amount of 68# micro-carbon ferrochrome is 26.5%, the addition amount of 45# ferrosilicon is 2.2%, the addition amount of 60# ferromolybde...
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