Ligesom på markedet for højrenhedsnikkel var konkurrencen på markedet for levering af højrenhedskobolt til brug i superlegeringer til sikkerhedskritiske formål drevet af rivaliteten mellem Inco og Falconbridge.
As in the market of the supply of high-purity nickel, competition on the market for the supply of high-purity cobalt used in super alloys for safety-critical parts is driven by the rivalry between Inco and Falconbridge.