Litʹë i Metallurgiâ (Aug 2006)
PRODUCTION OF BIMETALLIC CASTINGS OF STEEL — HARD ALLOY
Abstract
Неге are described two methods of productions of bimetal castings steel-hard alloy. The essence of the 1st method is in surfacing of the inner surface of rotating steel form with self-fluxing Ni-Cr based powder. The essence of the 2nd method is teeming of melted cast iron into rotating heated steel form and following heat treatment of the billet to provide hardness of the surfased layer not less than 63 HRC.