High-chromium alloy for spent fuel dry post-treatment electrolysis reactor and preparation method of high-chromium alloy

The embodiment of the invention relates to the technical field of chromium-containing alloys, in particular to an alloy, a method for preparing the alloy and a structural material for a spent fuel dry post-treatment electrolysis reactor using the alloy. In a first aspect, embodiments of the present invention provide an alloy comprising, by weight: 0.03%-0.08% of C; 16.0% to 18.0% of Cr; the balance is Fe and unavoidable residual elements. In a second aspect, embodiments of the present invention provide a method of preparing an alloy in any one embodiment of the first aspect of the present invention. In the third aspect and the fourth aspect, the structural material of the spent fuel dry post-treatment electrolysis reactor provided by the embodiment of the invention is the alloy. According to the alloy provided by the embodiment of the invention, the service performance and the service life of the spent fuel dry-process post-treatment electrolysis reactor in a service environment with multi-factor coupling cor