Zirconium-coated steel plates and components of chemical devices produced with such plates

Abstract From the Canadian patent

The invention concerns a method for making coated assembly parts for chemical device components including the following successive steps: a) forming an initial assembly comprising a steel support part typically a plate, a zirconium or a zirconium alloy coating typically a sheet metal having a dimension approximately that of the steel plate and at least one brazing material between the support part and the coating said brazing material being an alloy including silver and copper; b) introducing the initial assembly in a brazing chamber with controlled atmosphere; c) forming a controlled atmosphere inside said chamber; d) heating said assembly up to a temperature not less than the melting …