By the means of the continuous extrusion process aluminum clads steel core,and then the steel core clad with aluminum is drawn into a finish product.

• 针对连续挤压包覆工艺，给出了变形温度、变形速度、钢线预热温度、钢线速度和钢线张力等工艺参数的确定原则，提出了各工艺参数的控制范围。