Cast Irons

Metal Science and Heat Treatment of Metals

, Volume 3, Issue 5, pp 207-208

First online:

Effect of nickel, copper, molybdenum, and boron on the hardenability of high-strength nodular cast iron

  • M. V. VoloshchenkoAffiliated withFoundry Institute, AN UkrSSR

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  1. 1.

    Boron hast no effect on the hardenability of high-strength cast iron quenched from 850°C. Mo is the most effective addition to improve hardenability on quenching from 850°C.

  2. 2.

    In quenching from 900°C, high-strength cast iron alloyed with Cu, Ni, Mo or B develops a higher hardenability than unalloyed iron. At the higher quenching temperature, the most effective in this respect is nickel.