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Heavy duty pneumatic radial tires with fatigue resistant steel carcass cords
Heavy duty pneumatic radial tires with fatigue resistant steel carcass cords
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机译:带抗疲劳钢胎帘线的重型充气子午线轮胎
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摘要
A heavy duty pneumatic radial tire comprises at least one carcass ply reinforced with steel cords substantially arranged at an angle of 90. degree. with respect to an equator of the tire and wound around a bead core from inside of the tire toward outside thereof. In this tire, the steel cord is made from steel wires each having a tensile strength of 330- 400 kg/mm.sup.2 and a cementite lamellar distance of 120- 190 Å, a residual stress of whose is compression stress at a depth within a range of 1/10 to 1/5.5 of a wire diameter from the surface of the steel wire.
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机译:一种重型充气子午线轮胎,其包括至少一个胎体帘布层,所述胎体帘布层用基本以90度角布置的钢丝帘线增强。相对于轮胎的赤道,并且从轮胎的内部朝向轮胎的外部缠绕在胎圈芯上。在该轮胎中,钢丝帘线由钢丝制成,钢丝各自具有330-400kg / mm 2的抗拉强度和120-190埃的渗碳体层状距离,其残余应力为在a时的压缩应力。从钢丝表面开始的深度在钢丝直径的1/10至1 / 5.5范围内。
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