超超临界火电机组用大直径P92无缝钢管开发  

Development of Large-sized P92 Seamless Steel Pipe Used for Ultra-supercritical Thermal Power Unit

作　　者：张国忠 黄大兵 窦志超 刘竑 徐路军 ZHANG Guozhong;HUANG Dabing;DOU Zhichao;LIU Hong;XU Lujun(Zhejiang Pacific Seamless Steel Tube Co.,Ltd.,Shaoxing 312367,China)

机构地区：[1]浙江泰富无缝钢管有限公司,浙江绍兴312367

出　　处：《钢管》2021年第6期21-25,共5页Steel Pipe

摘　　要：介绍了超超临界火电机组用大直径P92无缝钢管的制造工艺及产品性能。通过优化化学成分、控制轧制温度、合理设计热处理制度等工艺控制措施,开发生产出P92钢管。该P92钢管具有组织结构均一,力学性能稳定和高温持久性能优异等特点,产品已应用于超超临界火电机组的四大管道及其他关键部件。Described here in the essay are the manufacturing process and the product performance of the large-sized P92 seamless steel pipe as used for the ultra-supercritical thermal power unit.The said P92 pipe is developed and produced owing to taking such process-controlling measures as optimizing the chemical composition,controlling the rolling temperature,and properly determining the heat treatment scheme,etc.The P92 pipe possesses advantages such as homogenous microstructure,consistent mechanical properties and excellent hi-temperature creep rupture property.The newly-developed P92 pipe has been used for the four major pipelines and other critical components of the ultra-supercritical thermal power unit.

关 键 词：P92无缝钢管 超超临界 四大管道 热处理 组织调控 持久强度 

分 类 号：TM621[电气工程—电力系统及自动化] TG335.71[金属学及工艺—金属压力加工]