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The effects of Mg and Ca on sulfide modification of sulphur steel were studied to elucidate the difference between micromagnesium treatment and micro-calcium treatment for the inclusion of sulphur steel. The results show that the inclusions in the steel appeared with an oxide core of Al2O3and MnS wrapped. After the addition of Mg, the core was changed to spinel, and the MnS coating was changed to...
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