PYROTOUGH 78 is a hot work die steel possessing a high degree of purity, homogeneity and microstructural integrity that produces a good combination of toughness and temper resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on heat treating and machining. Filing Code: TS-522. Producer or source: Carpenter.

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