胎圈钢丝，它的截面为圆形，钢丝表面附有镀铜层，所述胎圈钢丝的含碳量为0.80%-0.85%，当胎圈钢丝的直径为1.50mm 时，该直径的胎圈钢丝的破断力≥3700N，伸长率在4%-7%之间，屈强比在90% -97%之间。
不同规格品种的轮胎应选择不同规格品种的胎圈钢丝。
The different types and sizes of bead wire should be chosen for the different types and sizes of tire.
介绍轮胎对胎圈钢丝在品种、强度、断裂伸长率、粘合力等方面的要求。
To introduce such requirements as varieties, strength, break elongation ratio, adhering force for bead wire of tyre.
我公司已大批量生产胎圈钢丝用热轧盘条，是国内几家主要胎圈钢丝生产企业的供应商。
WeiSteel has become the supplier of some main domestic tire bead wire producers with large quantities of production of hot rolled wire coil of tire bead wire.
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