[1]王高峰,丰振军,张鸿博,等.阀室316不锈钢引压管穿孔失效原因分析[J].石油管材与仪器,2020,6(01):48-51.[doi:10.19459/j.cnki.61-1500/te.2020.01.012]
 WANG Gaofeng,FENG Zhenjun,ZHANG Hongbo,et al.Failure Causes Analysis on Perforation of 316 Stainless Steel Pressleading Tube in Valve Room[J].Petroleum Tubular Goods & Instruments,2020,6(01):48-51.[doi:10.19459/j.cnki.61-1500/te.2020.01.012]
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阀室316不锈钢引压管穿孔失效原因分析
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《石油管材与仪器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
6
期数:
2020年01期
页码:
48-51
栏目:
失效分析与预防
出版日期:
2020-02-25

文章信息/Info

Title:
Failure Causes Analysis on Perforation of 316 Stainless Steel Pressleading Tube in Valve Room
文章编号:
2096-0077(2020)01--0048-04
作者:
王高峰丰振军张鸿博聂向晖刘迎来
石油管材及装备材料服役行为与结构安全国家重点实验室,中国石油集团石油管工程技术研究院 陕西 西安 710077
Author(s):
WANG Gaofeng FENG Zhenjun ZHANG Hongbo NIE Xianghui LIU Yinglai
State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, CNPC Tubular Goods Research Institute, Xi′an, Shaanxi 710077, China
关键词:
不锈钢引压管缝隙腐蚀
Keywords:
stainless steel pressleading tube crevice corrosion
分类号:
TQ055.8
DOI:
10.19459/j.cnki.61-1500/te.2020.01.012
文献标志码:
A
摘要:
某滨海区域天然气阀室316不锈钢引压管在服役过程中发生了穿孔失效,于是对失效的引压管样品进行了宏观形貌分析、化学成分分析、微观组织观察、能谱分析,并结合引压管的服役情况以及日常检漏情况,对引压管的失效原因进行了综合分析。分析结果表明,该引压管穿孔失效的原因是由于卡箍和连接螺帽与引压管接触形成的夹缝发生缝隙腐蚀所致,为了避免类似失效事故的再次发生,给出了相关建议。
Abstract:
The perforation of 316 stainless pressleading tube was discovered in a natural gas valve room of a coastal area during service. Through macroscopic analysis, chemical composition analysis, microstructure observation, energy spectrum analysis, combined with service environment and daily leak detection, the cause of failure of pressure pipe was comprehensively analyzed. The analysis results show that the cause of perforation is due to the crevice corrosion occurring in the joint formed by the contact of the clamp, the connecting nut and the tube. In order to avoid the occurrence of similar phenomena, some suggestions are given.

参考文献/References:

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备注/Memo

备注/Memo:
第一作者简介:王高峰,男,1981年生,高级工程师,2008年毕业于西安石油大学材料加工工程专业,获硕士学位,现主要从事油气输送管道服役实用性评价及管道完整性管理。E-mail: wanggaofeng001@cnpc.com.cn
更新日期/Last Update: 2020-02-25