宝钢热轧厂主轧线自今年4月份进入设备功能考核以来,加热炉、粗轧机、卷取机和运输链系统,除少数设备功能还在准备考核之外,大部分设备都已进行了考核。并于8月8日和9日相继进行了大难度的X系列焊管钢极限规格及特薄、特厚极限规格的考核。首次试轧成X-42、X-52、X-60及X-70等X系列焊管用钢卷以及1.2×900mm特薄及25.4×1900mm特厚钢卷,圆满地完成了极限规格的考核任务。 Baosteel Hot Rolling Mill main rolling mill since April this year into the functional assessment, heating furnace, roughing mill, coiler and transport chain system, with the exception of a few equipment functions are still preparing for examination, most of the equipment has been assessed . And on August 8 and 9 have conducted a difficult X-series of welded steel limit specifications and ultra-thin, exceptionally thick limit test. For the first time, X-series welded pipe coils such as X-42, X-52, X-60 and X-70, as well as 1.2 × 900mm thin and 25.4 × 1900mm extra-thick steel coils were successfully rolled into the ultimate specification .