FIELD: coat applying, wire production in hardware industry and non-ferrous metallurgy. SUBSTANCE: method comprises steps of processing wire by 15% sulfuric acid at 70-75 C, washing wire by water and applying underlubricant layer in the form of solution having concentration 100-150g/l at 90-95 C and containing (%): borax - 21-24, sodium tripolyphosphate 6-9, sodium metasilicate 1,5-4,5, industrial sodium carbonate 1- 3.5, surface active substance 0.5-1.5, sodium sulfate - the balance. EFFECT: increased strength of tool, enhanced manufacturability of drawing process, reduced idle time periods of drawing dies. 2 cl
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Authors
Dates
1997-08-20—Published
1995-10-16—Filed