... is a good inoculant, which joined in ferrosilicon, calcium, magnesium and alloys of rare, it have high mechanical strength, strong desulfurization. It ... that put RE,Mg,Ca in ferrosilicon,is also called Magnesium spheroidizing.FeSiMgRe is a kind of good spheroidizing,has a ... , cast iron, or made as additive in rare earth middle alloys. Used as grey, nodular cast iron and vermicular iron inoculant ...