日本川崎钢铁公司千叶厂多用途连续退火线(简称KM—CAL)已于1980年7月投产,月产量为几万吨。该退火线的组成及技术性能见图1和表1。从开卷机至1号活套塔之间为入口段;1号张力辊、退火炉和2号张力辊组 Japan’s Kawasaki Steel Chiba plant multi-purpose continuous annealing line (referred to as KM-CAL) was put into operation in July 1980, monthly production of tens of thousands of tons. The composition of the annealing line and technical performance shown in Figure 1 and Table 1. From the uncoiler to the revolver tower No. 1 between the entrance section; No. 1 tension roller, annealing furnace and No. 2 tension roller group