唐钢C级Φ 6.5mm 70硬线试轧实践

PRACTICE OF TRIAL ROLLING OF C-LEVEL Φ 6.5 mm 70 HARD WIRE IN TANG STEEL

唐钢公司线材产品尺寸精度达到C级品的比例约为74%。为满足用户对C级品盘卷的需求,唐钢高线进行了C级Φ6.5 mm 70硬线试轧实践。根据现有的轧制工艺及设备,在分析C级品的影响因素的基础上,制定了C级硬线试轧方案,对导卫使用、轧辊与导卫装配、关键控制参数等提出了明确要求。试验产品的尺寸精度均达到C级要求,获得用户的好评。

The proportion of wire products with C-level size precision is about 74 percent in Tang Steel.To meet the requirement of customers for the C-level products of coiled steel bar,a trial rolling for C-levelΦ6.5 mm 70 hard wire is done.Based on the present rolling process and equipments and analysis about the affecting factors,a trial rolling plan is made,proposed determined demands in guide utilization,roll and guide assembling,key control parameters and etc.The size precision of test products all reaches C-level standard,and gets good evaluation from the customers.