Patent ID: 7823614

Claim:
A pneumatic tire comprising a carcass comprised of one or more carcass plies and a belt disposed on an outside of the carcass in a radial direction of the tire and comprised of one or more belt layers, in which at least one of the carcass and the belt including a layer of steel cords covered with a coating rubber, characterized in that as a coating rubber covering steel cords in at least one of the carcass and the belt is used a rubber composition comprising a rubber component, 1-10 parts by mass of sulfur and 0.1-10 parts by mass of a compound represented by the following general formula (III): [wherein R is a bivalent aliphatic group having a carbon number of 1-16 or a bivalent aromatic group] based on 100 parts by mass of the rubber component, and as the steel cord is used a steel cord formed by twisting a plurality of steel wires each plated on its peripheral face with a brass and having an amount of phosphorus as an oxide in a surface layer region from a surface of the plated brass to a depth of 5 nm inward in a radial direction of the wire controlled to not more than 1.5 atomic %.