Diweten 355 (minimum yield strength of 355 MPa, or 51 ksi, in thicknesses up to 16 mm, or 0.6 in.) is a structural steel with improved atmospheric corrosion resistance. This datasheet provides information on composition, physical properties, 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: SA-721. Producer or source: Dillinger Hütte GTS.