VULCAN NON-SHRINKABLE is a standard manganese type of oil hardening tool steel for use where non-shrinking and non-deforming properties are important. This is an ASM Class II-A2 and SAE Type 02 Alloy. This datasheet provides information on composition and hardness as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-28. Producer or source: Vulcan Crucible Steel Company.