RE:RE:Mining’s $120 Billion Ore Bet Sours as Peak Steel Looms Iron without Chrome rusts profusely. As such, it is best replaced using mostly Ferro Chrome; with or without Ni. The coming North American Industrial Renaissance will add hugely to Ferro Chrome demand. Another KWG plus is some ROF Chromite Ore may be significantly associated with KWG Custom Treatment Recoverable PGMs.