[1]仝 珂,韩新利,宋 寰,等.L245NS抗硫弯管力学性能及HIC 和SSC试验分析[J].焊管,2012,35(12):45-49.[doi:1001-3938(2012)12-0045-05]
 TONG Ke,HAN Xinli,SONG Huan,et al.Mechanical Property, HIC and SSC Test Analysis of L245NS Anti-Sulfur Bending Pipe[J].,2012,35(12):45-49.[doi:1001-3938(2012)12-0045-05]
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L245NS抗硫弯管力学性能及HIC 和SSC试验分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第12期
页码:
45-49
栏目:
经验交流
出版日期:
2012-12-28

文章信息/Info

Title:
Mechanical Property, HIC and SSC Test Analysis of L245NS Anti-Sulfur Bending Pipe
文章编号:
1001-3938(2012)12-0045-05
作者:
仝 珂韩新利宋 寰刘迎来宋 娟
(中国石油集团石油管工程技术研究院,西安 710065)
Author(s):
TONG Ke HAN Xinli SONG Huan LIU Yinglai SONG Juan
(CNPC Tubular Goods Research Institute, Xi’an 710065, China)
关键词:
抗硫弯管力学性能氢致开裂硫化物应力腐蚀开裂
Keywords:
Key words: anti-sulfur bending pipe mechanical property hydrogen induced cracking(HIC) sulfide stress-corrosion cracking(SSC)
分类号:
TG115.5
DOI:
1001-3938(2012)12-0045-05
文献标志码:
A
摘要:
对采用感应加热技术生产的L245NS级?准 406.4 mm×10.31 mm抗硫弯管进行了力学性能、氢致开裂(HIC)及硫化物应力腐蚀开裂(SSC)试验评价,并结合了弯管的微观组织特征分析。结果显示,经890~930 ℃感应淬火+580~630 ℃回火空冷后,L245NS弯管强韧性能、HIC试验结果符合标准要求;其中,弯管内、外弧侧管体强度和冲击韧性相对母管均有不同程度的提高;HIC裂纹多形成在贝氏体组织及带状组织周围;在NACE TM 0177—2005试验环境下,L245NS弯管表现出良好的抗SSC性能。
Abstract:
In this paper, the mechanical property test, hydrogen induced cracking(HIC) test and sulfide stress-corrosion cracking(SSC) test were conducted to investigate the ?准 406.4 mm×10.31 mm L245NS anti-sulfur bending pipe by adopting the induction heating technology. And the test result was analyzed combining with bending pipe microstructure. The results showed the strength and toughness of L245NS bending pipe, HIC test results reach the standard after 890~930 ℃ induction quenching and 580~630 ℃ temper process. The strength and impact toughness of inside arc and outside are higher than that of base metal. Most HIC crack initiated at the bainite structure and around banded structure. The L245NS anti-sulfur bending pipe exhibits good resistance to SSC under the NACE TM 0177—2005 experiment environment.

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备注/Memo

备注/Memo:
作者简介:仝 珂(1983—),男,工程师,硕士,毕业于西北工业大学,主要从事油气输送管及管件的组织和材料性能方面的研究工作。
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