Ancorsteel FD-4600A alloy is a water atomized alloy using conventional sinter-hardening to meet high performance requirements. It conforms to MPIF Material Standard 35, Material Designations FD-02XX. 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 powder metal forms. Filing Code: SA-657. Producer or source: Hoeganaes Corporation.