CAST STEEL FOR CONSTRUCTION EQUIPMENT BUCKET PARTS AND PARTS FOR CONSTRUCTION EQUIPMENT BUCKET COMPRISING THE SAME

摘要

The present disclosure relates to a cast steel for construction equipment bucket parts and parts for a construction equipment bucket manufactured by using the same, and the cast steel includes 0.27 to 0.34 wt % of carbon (C), 1.2 to 1.8 wt % of chromium (Cr), 0.8 to 1.7 wt % of silicon (Si), 1.0 to 1.4 wt % of manganese (Mn), 0.2 to 0.4 wt % of molybdenum (Mo), 0.2 to 0.4 wt % of nickel (Ni), and a balance of iron and impurities.

主权项

1. A cast steel for use with a construction equipment bucket parts, comprising 0.27 to 0.34 wt % of carbon (C), 1.2 to 1.8 wt % of chromium (Cr), 0.8 to 1.7 wt % of silicon (Si), 1.0 to 1.4 wt % of manganese (Mn), 0.2 to 0.4 wt % of molybdenum (Mo), 0.2 to 0.4 wt % of nickel (Ni), and a balance of iron and impurities, and
comprising MC carbide and at least one carbide selected from M7C3 carbide, M3C2 carbide and M23C6 carbide in a structure thereof, wherein the MC carbide is comprised in an amount of 10 to 65 vol % based on a total 100 vol % of the entire carbides.