This material is classified under letters G to J of the Unified Numbering System. Maraging (“MAR-aging”) forms of this material contain hard precipitate particles over an artificially elongated aging period. Modern manufacturing of this material uses a supersonic oxygen jet and burnt lime to generate a basic slag. (10[2]-5[1])Case-hardening of this material can be accomplished using carburization. Rapidly quenching one form of this material produces crystalline (10[1])martensite. (10[3])Hot-dip and electrogalvanization (-5[1])are methods for plating this material to prevent corrosion, (10[1])which can also be accomplished by adding chromium. (10[2])For 10 points, name this alloy of iron and carbon that (10[1])includes a stainless variety. (10[1])■END■ (10[1])