The advantages and disadvantages of the different CC HCR and CC -DHCR te chnology plans for wire and bar mill are introduced, analyzed and compared.

• 介绍了线棒材轧机实现连铸坯热送热装及直接轧制时几种工艺方案的优缺点，并进行了比较分析，指出了各工艺方案的适用性。