锅炉和压力容器用Q345R钢板正火工艺研究  

Study on Normalizing Process of Q345R Steel Plate for Boiler and Pressure Vessel

作　　者：马林 鲁维东[1] Ma Lin;Lu Weidong(Iron and Steel Research Institute of Hongxing Iron&Steel Co.Ltd.,Jiuquan Iron and Steel(Group)Corporation,Jiayuguan,Gansu,735100)

机构地区：[1]酒钢集团宏兴股份公司钢铁研究院,甘肃嘉峪关735100

出　　处：《酒钢科技》2023年第3期6-10,共5页

摘　　要：本文就正火工艺对锅炉和压力容器用Q345R中厚板组织、性能的影响进行了分析,研究了轧制工艺、正火工艺对Q345R钢板正火后强度及韧性的影响和在不同温度下正火的力学性能变化。通过研究,为Q345R选择合理的轧制工艺和热处理工艺参数优化提供了科学依据。In this paper,the influence of normalizing process on the microstructure and properties of Q345R plate for boiler and pressure vessel is analyzed.The effects of rolling process and normalizing process on the strength and toughness of Q345R steel plate after normalizing and the mechanical properties of Q345R steel plate under different normalizing temperatures are studied.The research provides scientific basis for selecting reasonable rolling process,heat treatment process and parameter optimization for Q345R.

关 键 词：Q345R 正火处理 组织性能 压力容器 

分 类 号：TG1[金属学及工艺—金属学]