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Soldiers maneuver an Army M1 Abrams tank during a transforming in contact training center rotation at Fort Irwin, Calif., last year. (Credit: Army 1st Lt. Tyler Williams, U.S. Department of War.)

Mastering Armor Steel Welding for Combat Vehicles

Modern ground combat vehicles are being redesigned for a battlefield that demands lighter, smarter, and tougher platforms. This shift has accelerated the use of high-strength, low-alloy (HSLA) quenched-and-tempered armor steels, such as MIL-DTL-12560 rolled homogeneous armor (RHA) and MIL-DTL-46100 high hardness armor (HHA).

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