本实用新型公开了一种工程轮胎用高延伸钢帘线,其包括四根相互捻制的股绳,每根股绳包括一根中心钢丝和绞合在该中心钢丝上的五根外围钢丝,股绳捻制方向和帘线的捻制方向相同,钢丝单丝直径为0.2 0~0.3 0 m m,股绳捻距为帘线捻距的0.5~0.7倍,为单丝直径的2 0~2 5倍。本实用新 The utility model discloses a high-elongation steel cord for engineering tires, which comprises four mutually twisted strands, each strand comprises a central steel wire and five peripheral steel wires stranded on the central steel wire, The twisting direction of the strands is the same as the direction of twisting of the cords. The diameter of the strands of the strands is 0.2-0 ~ 0.3 mm. The twisting pitch of the strands is 0.5-0.7 times of the twisting pitch of the strands, which is 20-2 5 times. The utility model