LESCALLOY 4330 + V VAC-ARC steel is a vanadium modified 4330 having improved hardenability and mechanical properties. It is produced by consumable electrode vacuum are remelting providing optimum cleanliness and preferred ingot structure. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-314. Producer or source: Latrobe Steel Company. Originally published May 1975, revised March 1992.

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