METHOD AND COMPOUND FOR BORATING OF STEEL ARTICLES Russian patent published in 1995 - IPC

FIELD: thermochemical treatment of steel articles. SUBSTANCE: saturating mixture is prepared by heating it to saturation temperature then to copper-melting temperature for 3-4 h. Saturating mixture contains, wt.-% powder, 20-50; amorphous boron, 10-16; potassium tetrafluoroborate 1-3; boron carbide, the balance. EFFECT: higher saturating ability, wear and corrosion resistance. 2 cl, 5 tbl