SM6, Sm6, sM6 or sm6 stands for: KT Class Sm6, a type of train owned by Karelian Trains and operated by the Russian Railways and VR Group RIM-174 Standard ERAM, a surface-to-air naval missile SM6 postcode area, the Sutton postcode area covering Wallington, Beddington, Hackbridge, Roundshaw and South Beddington Renault Talisman`s Korean name Titleist Golf club.