NIROSTA 4313 is a weldable martensitic stainless steel with good strength and toughness. It is often used in hydroelectric components. This datasheet provides information on composition, physical properties, 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-873. Producer or source: ThyssenKrupp Nirosta GmbH.