Republic-M is a low carbon, manganese type structural steel having high notch-impact resistance and high ductility at subzero temperatures. It is recommended for structural applications where weight reduction is important. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-149. Producer or source: Republic Steel Corporation.