压力容器2018，Vol.35Issue(5)：28-34,7.DOI:10.3969/j.issn.1001-4837.2018.05.005
Si对离心铸造25Cr35NiNb+微合金乙烯裂解炉管抗氧化和抗渗碳性能的影响
Effects of Si on Oxidation and Caburization Resistance of Spun Cast 25Cr35NiNb+Micro-Alloy Ethylene Pyrolysis Furnace Tube
摘要
Abstract
The effects of different content of Si element on oxidation and caburization resistance of spun cast 25Cr35NiNb +micro-alloy ethylene pyrolysis furnace tube were researched.The results show that when the Si content falls in the range of 1.33%～1.93%,there is no significant law between the me-chanical properties of the furnace tubes at room and high temperature and Si content;when the Si content falls in the range of 1.53%～1.91%,with the increase of Si content,the resistance to oxidation and car-burization of the furnace tubes at high temperature was substantially enhanced.At the same time,the rec-ommended value of Si element content in 25Cr35NiNb+micro-alloy ethylene pyrolysis furnace tube was given.关键词
高温氧化/渗碳/硅/25Cr35NiNb+微合金乙烯裂解炉管Key words
high temperature oxidation/carburization/Si/25Cr35NiNb +micro-alloy ethylene pyrolysis furnace tubes分类
机械制造引用本文复制引用
钱兵,孙嘉繁,谢菲,连晓明..Si对离心铸造25Cr35NiNb+微合金乙烯裂解炉管抗氧化和抗渗碳性能的影响[J].压力容器,2018,35(5):28-34,7.基金项目
国家重点研发计划项目(2017YFF0210402) （2017YFF0210402）
