10 strands of steel cords of modified (3+7) structure

The utility model provides a 10 strands of steel cords of modified (3+7) structure, syntropy volume sth. Made by twisting is made for 0.20mm evenly arranges at heart yearn outer layer wire on every side for heart yearn steel wire and seven diameters of 0.175mm to its three diameters that include super high intensity, and three heart yearn steel wires are compiled the length of lay of twisting withthe fingers and are 5.0mm, and the length of lay of seven outer layer wire volume sth. Made by twisting is 12.0mm, the cross -section of heart yearn is regular triangle, and the cross -section of steel cord is circular. The utility model discloses a steel cord adopts the great steel wire of tensile strength, and its diameter is less than the wire diameter who uses among traditional 3+6 type steelcord or the 3+7 type steel cord, and the length of lay of steel wire is littleer, is favorable to realizing the lightweight of tire, and the themogenesis is low, and it is few to consume oil, and impact resistance, the punctu