VDC is an air-hardening 5% chromium die steel recommended for a wide range of hot work applications requiring resistance to heat and abrasion, and is particularly useful for white metal die casting and extrusion applications. It is equivalent to AISI TYPE H13. This datasheet provides information on composition and hardness as well as fracture toughness. It also includes information on heat treating, machining, and joining. Filing Code: TS-45. Producer or source: Latrobe Steel Company.