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.
Still Building America—Welding big birds, pursuing big dreams - by Josh Welton Welder and inspector Lucca Ilbert, who trained at the Robert Morgan Educational Center in Miami, loves fabricating and repairing aircraft parts. He hopes one day to have his own FAA-approved custom fabricating shop.
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