河钢宣钢C72DA帘线钢质量稳定控制技术研究

Study on Quality Stability Control Technology of C72DA Cord Steel in Xuanhua Steel Company

高碳钢C72DA控轧控冷盘条是深加工拉丝用高强度线材,要求钢丝具有强度高、韧性好、抗疲劳、耐冲击的优良综合力学性能,通过提高钢材质量不断地改进并完善其关键工艺控制点,不断提高其成分稳定性、纯净度以及过热度控制,使稳定生产达到了预期目的。

High carbon steel C72DA controlled rolling and controlled cooling coil bar is a high-strength wire rod for deep processing and wire drawing.The steel wire is required to have excellent comprehensive mechanical properties of high strength,good toughness,fatigue resistance and impact resistance.By improving the steel quality,its key process control points are continuously improved and perfect,and its composition stability,purity and superheat control are continuously improved.The stable production has achieved the expected purpose.