POSCO Holdings Inc.
SHOT BALL HAVING EXCELLENT STRENGTH AND WEAR RESISTANCE AND METHOD FOR MANUFACTURING SAME

Abstract:

Disclosed is a shot ball having excellent strength and wear resistance. The shot ball according to an embodiment of the present disclosure includes, by weight %, 0.09% to 1.3% of carbon (C), 3% to 29% of manganese (Mn), 1.0% to 8.0% of chrome (Cr), 0.05% or less of phosphorus (P), 0.05% or less of sulfur (S), 10% or less (excluding 0) of nickel (Ni), 7% or less (excluding 0) of molybdenum (Mo), 10% or less (excluding 0) of tungsten (W), the remainder iron (Fe), and other unavoidable impurities.