12%Cr型叶片钢热轧大型材生产工艺初探  

A Study on Production of Hot Rolled 12%Cr Turbine Bar

作　　者：罗通伟[1] 陈晋阳[2] 

机构地区：[1]四川长城特殊钢股份有限公司技术中心工艺所 [2]四川长城特殊钢股份有限公司技术中心

出　　处：《特钢技术》2004年第2期1-6,共6页Special Steel Technology

摘　　要：对 2Cr12NiMo1W1V等 12 %Cr型叶片钢热轧大型材生产工艺进行了探讨 ,着重对合金元素作用、δ铁 -素体控制、退火工艺及冶炼工艺等进行了分析、讨论 ,提出了成分控制原则、轧制温度控制、如何提高纯洁度等措施 ,有利于提高叶片钢热轧大型材的综合性能。Manufacturing process of hot rolled 12%Cr turbine bar has been studied, especially the effect of alloy element, the control of δ-ferrite, the process of melting, rolling and annealing have been analyzed. The results showed that proper chemical composition and rolling temperature range, increasing of purity were favorable for improving the comprehensive properties of hot rolled turbine bar.

关 键 词：生产工艺 大型材 叶片钢 Cr型 热轧 冶炼工艺 退火工艺 控制原则 温度控制 综合性能 金元素 纯洁度 轧制 

分 类 号：TG335[金属学及工艺—金属压力加工]