Abstract
It is shown that electroslag surfacing of chromium cast irons can significantly improve their mechanical properties and obtain defect-free quality weld metal. The use of current-carrying mould expands the possibilities for using of different types of surfacing materials and regulating of the structure and properties of the deposited metal. Industrial experience of electroslag surfacing in the current-carrying mould of rolling rolls with chromium cast iron in the form of shot and liquid additive is presented. New direction in the development of surfacing work — obtaining of flat bimetallic billets designed for the hardening of wear surfaces is shown.
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