Patent ID: 9062359
Filing Date: 2015-06-23
Classification: B22D,C21C,C22C

Abstract:
1. High-carbon chromium bearing steel comprising: 1.0 wt % to 1.2 wt % of carbon (C); 0.15 wt % to 0.24 wt % of silicon (Si); 0.05 wt % to 0.24 wt % of manganese (Mn); 0.025 wt % or less (excluding 0 wt %) of phosphorus (P); 0.025 wt % or less (excluding 0 wt %) of sulfur (S); 0.1 wt % to 1.6 wt % of chromium (Cr); 0.01 wt % to 0.3 wt % of cerium (Ce); and iron (Fe) as well as other unavoidable impurities as a remainder, and a Ce compound as an inoculant, the Ce compound being distributed at a number concentration ranging from 5/mm