Casting is a process by which a fluid melt is introduced into a mold, allowed to cool in the shape of the form, and then ejected to make a fabricated part or casing. Four main elements are required in the process of casting: pattern, mold, cores, and the part. The pattern, the original template from which the mold is prepared, creates a corresponding cavity in the casting material. Cores are used to produce tunnels or holes in the finished mold, and the part is the final output of the process. Casting may be used to form hot, liquid metals. Grinding media is then heat treated to achieve desired combination of hardness, toughness & micro–structure to ensure excellent combination of wear resistance and toughness.
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