FIELD: metallurgy.
SUBSTANCE: powder-like composition for boriding steel items contains following components, wt %: boron carbide 45-65, sodium fluoride 5-8, high-aluminous corrosion resistant cement on base of calcium aluminates HACRC-75-0.5 30-35, wood coal carburizer 8-12.
EFFECT: strengthened layer on steel items at repeated usage of saturating mixture.
2 tbl
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