The article provides an example evaluation of the technical condition of building and handling machines in terms of corrosion resistance. Using functional method of determining the weights estimated sufficiency compositions anticorrosion treatment building and handling machines.

Keywords: The sufficiency condition, the generalized criterion, a metric multiplicative convolution operator on the set of individual criteria

Results of research the ties of refrectory oxide, which form in the course of filling with stainless steels, and specific point defects impairing casts of stainless steel.

Keywords: quartz mould, chromium steel, oxides, chemical analysis, physicochemical interaction