RUUKKI OPTIM 500 MC (500 MPa minimum yield strength) is a thermomechanically rolled (M), cold formable (C) steel that exceeds EN standards requirement (EN 10149-2). This datasheet provides information on composition, physical properties, tensile properties, and bend strength as well as fracture toughness. It also includes information on surface qualities as well as forming, heat treating, and joining. Filing Code: CS-168. Producer or source: Rautaruukki Corporation.