Abstract

The morphology of sulfide and abrasive resistance of a high sulfur alloy steel cast at different cooling rate were investigated in this paper. The size, volume fraction and distribution of sulfides was decreased as the solidification rate was increased. After heat treatment, many spherical sulfide were found. Most of sulfides within grains were Cr2MnS4, while sulfides at grain boundaries were mainly FeS. High sulfur alloy steel had strong abrasive resistance.

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