Abstract Avesta Sheffield 248 SV is a high-strength martensitic stainless steel. It combines high strength with good weldability and high toughness after welding. 248 SV is intended for applications that require high strength and toughness, good weldability, and moderate corrosion resistance. 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, and joining. Filing Code: SS-725. Producer or source: Avesta Sheffield AB.