鞍钢新轧钢股份有限公司厚板厂宽厚板生产线是 1 990年从日本住友金属和歌山钢铁公司引进的二手设备。引进之前已在日本服役 1 7年 ,热矫直机的矫直力只有 80 0 t,不能矫直 2 0 mm厚度以上的钢板 ;轧机轧制力和控制精度不够 ,个别品种成材率低 ,生产不了高牌号管线钢等 ,限制了 Angang New Steel Co., Ltd. heavy plate mill heavy plate production line in 1990 from Japan’s Sumitomo Metal Wakayama introduced the second-hand equipment. Before its introduction, it has been in service for 17 years in Japan. The straightening force of the thermal straightening machine is only 80 0 t. It can not straighten the steel plate with a thickness of 20 mm or more. The mill rolling force and control precision are not enough. No high grade pipeline steel, limited