FIELD: methods of application by spraying of aluminum gas-thermal coating to rectangular blanks for their heating for rolling to protect blanks from oxidation during their heating in furnace. SUBSTANCE: depending on the interval between narrow faces of neighboring blanks in furnace, the thickness of sprayed coating is determined by one of the offered relations. EFFECT: higher efficiency. 4 cl, 1 tbl
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Authors
Dates
1997-09-10—Published
1994-01-10—Filed