the totality of the tech. processes of the hot working
of metals by the flame of the combustible gases of
the welding torches: torch welding; gas-pressure welding; the hard-facing of steel, of hard alloys and
different nonferrous metals; soldering (by especially copper and
silver solder); the flame cutting of steel, flyusokislorodnaya cutting; flame planing
(removal of the surface layer of steel); the oxygen chisel
scarfing of steel ingots; roughing ingots along entire side with
the removal of the defects of the outer layer of metal (slag,
rust, old paint and other
pollution); the heat treatment of metal (hardening, annealing and other.); spraying
powder-like materials to the surface of metal with obtaining of
coatings from metallich. and nemetallich. of the materials -
ceramics and of plastics; metallization, i.e. spraying by the
fast-moving gas jet of the drops of liquid molten metal. Many
processes g. Is. are automated. K. K.
khrenov.
