18-8型奥氏体不锈钢锅炉管服役特性研究(六) STUDY ON SERVICING BEHAVIOR OF BOILER TUBES MADE FROM 18- 8 TYPE AUSTENITIC STAINLESS STEEL (6).pdfVIP
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18—8型奥氏体不锈钢锅炉管
服役特性研究(六)
马 红,张 磊,郑坊平,贺锡鹏,史志刚,王弘枯
西安热工研究院有限公司,陕西西安710032
[摘 要] 目前。传统的18—8型奥氏体不锈钢锅炉管的热处理工艺大致可分为固溶处理、稳定化
处理、去应力处理3种,其对奥氏体不镑钢锅炉管的组织性能均有较大影响。奥氏体不
锈钢是一种应力腐蚀敏感材料,在制造过程中要保证热处理工艺和焊接工艺控制得当,
以避免奥氏体不锈钢锅炉管的应力腐蚀开裂,提高服役安全性。
锅炉管;奥氏体不锈钢;热处理;焊接;应力腐蚀
[关键词]
[中图分类号]TGl56;TG44
[文献标识码]A
[文章编号]l002—3364(2012)06一0032一04
lO.3969/j.issn.1002—3364.2012.06.032
[DOI编号]
STUDYONSERVICINGBEHAVIOROFBOILERTUBESMADEFROM
18—8TYPEAUSTENITICSTAINLESSSTEEL(6)
MA Lei,ZHENG Zhigang,WANG
Hong,ZHANG Fangping,HEXipeng,SHI Hongzhe
Xi’anThemalPowerResearchInstltuteCoLtd,xi’an710032,Shaan】【iPro啊nce,PRC
Abstract:At traditionalheattreatment ofboilertubesmadefrom18—8
present,the technol。gy type
austeniticstainlesssteelcanbe dividedintothree thesolid—solution
roughly kinds,namely treatment,
thestressremoval have influencethe
thestabilizationtreatment,and treatment,all struc—
larger upon
ofboilertubesmadefrom18—8 austeniticstainlesssteel.Thesaidsteelissen—
tural type
performance
treatment and inthe
sitivetostresscorr03ion.Theheat technologyweldingtechnology
ensuretobe astDaVoidthestresscorrosioncracksonboiler
should controlled,so tubes
process aptly
madefromaustenitic intheir
stainless,enhancingsafety servicingperiod.
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