Adding carbon to the surface of iron-base alloys by heating the metal below its melting point in contact with carbonaceous solids, liquids, or gases. Desired hardness and toughness properties are developed in the high carbon "case" by quenching and tempering.
From the Web: Bicycle of the future; chocolate + welding; fabricator’s creative boom; and jobs - by Vicki Bell Highlights for fabricators from the past week’s Web articles— Handlebars become a lock; an unlikely twosome—chocolate and welding; fabricator gets creative; who’s hiring, maybe; and small business’s thoughts on hiring.
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