API/ASME规范中由2.25Cr-1Mo钢的J系数预测在用加氢反应器FATT方法的适用性分析  

The applicability analysis of the method for predicting FATT by J-factor for 2.25Cr-1Mo steel in-service hydroprocessing reactor in API/ASME code

作　　者：门三庆 董杰 刘长军[1] MEN Sanqing;DONG Jie;LIU Changjun(MOE Laboratory of Pressure Systems and Safety,School of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai 200237,China;Hefei General Machinery Research Institute Co.,Ltd.,Hefei 230031,China)

机构地区：[1]华东理工大学机械与动力工程学院承压系统安全科学教育部重点实验室,上海200237 [2]合肥通用机械研究院有限公司,合肥230031

出　　处：《压力容器》2024年第12期44-50,共7页Pressure Vessel Technology

基　　金：国家重点研发计划课题(2021YFC3001804);中国石油化工股份有限公司技术开发项目(319022-2)。

摘　　要：为准确地预测长期服役后2.25Cr-1Mo钢的回火脆化程度对加氢反应器的安全性评定,对API 579-1/ASME FFS-1 2016中由J系数预测在用加氢反应器2.25Cr-1Mo钢FATT方法的适用性问题进行了分析评价,结果表明,该方法可以用于服役后2.25Cr-1Mo钢材料FATT预测,但当J系数较低时,在脆化时间达20万h后对2.25Cr-1Mo钢的FATT进行预测时,应注意其预测结果存在一定的非保守性,建议今后补充此区间的长时间试验数据,以改进J系数与FATT关系曲线,提高预测可靠度。To accurately predict the temper embrittlement of 2.25Cr-1Mo steel after long-term service for the safety assessment of hydroprocessing reactors.This paper analyzes the applicability of the method for predicting FATT by J-factor for 2.25Cr-1Mo steel in-service hydroprocessing reactor in API579-1/ASME FFS-12016.The paper concludes that this method can be used to evaluate the FATT of 2.25Cr-1Mo steel after service.However,after the embrittlement time reaches 200000 h,it should be noted that the prediction results are non-conservative for the low J-factor of 2.25Cr-1Mo steel.The paper suggests to supplement the long-term service data of low J-factor to further improve the relationship curve and the reliability of predictions.

关 键 词：2.25CR-1MO钢 加氢反应器 韧脆转变温度 回火脆化 脆化预测 

分 类 号：TH49[机械工程—机械制造及自动化] TE996[石油与天然气工程—石油机械设备] TG144[一般工业技术—材料科学与工程]