Ugima 630 is an age-hardening martensitic stainless steel with improved machinability. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-1199. Producer or source: Schmolz + Bickenbach USA Inc..