COLTUF 28 is a low carbon, manganese type structural steel having high notch-impact resistance and high ductility at subzero temperatures. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on low temperature performance as well as forming, heat treating, and joining. Filing Code: SA-127. Producer or source: Colvilles Ltd.