Effect of tempering temperature at high temperature zone on sulfide stress cracking behavior for casing steel

被引：16

作者：

Luo, M. ^{[1
,3
]}

Liu, M. ^{[2
]}

Wang, X. T. ^{[1
]}

Li, M. C. ^{[1
]}

Li, X. ^{[1
]}

Ren, Z. M. ^{[1
]}

Cao, G. H. ^{[1
]}

Zhang, Z. H. ^{[3
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, 99 Shangda Rd, Shanghai 200444, Peoples R China

[2] Shanghai Inst Technol, Sch Mat Sci & Engn, 100 Haiquan Rd, Shanghai 201418, Peoples R China

[3] Baoshan Iron & Steel Co Ltd, Tube & Pipe Dept, Baosteel Res Inst, Shanghai 201900, Peoples R China

来源：

ENGINEERING FAILURE ANALYSIS | 2019年 / 105卷

关键词：

Casing steel; Tempering temperature; Sulfide stress cracking; Dislocation; HYDROGEN-INDUCED CRACKING; PIPELINE STEEL; MICROSTRUCTURE; EMBRITTLEMENT; INCLUSIONS; RESISTANCE; EVOLUTION; TRANSPORT; METALS; TRAPS;

D O I：

10.1016/j.engfailanal.2019.06.095

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Three tempering temperatures at high temperature zone (690 degrees C, 700 degrees C and 710 degrees C) are selected into the quenching-and-tempering processes and performed on the rolled Cr-Mo steel to develop API-SCT-C110 casing steels. Effect of tempering temperature on sulfide stress cracking (SSC) behavior is quantitatively evaluated and further explored by characterizing the microstructure and crystallography. The results show that the strength of steel decreases with tempering temperature, but the SSC susceptibility is reversely varied. EBSD analysis indicates that the steel tempered at lower temperature (690 degrees C) generates more grains with high Taylor factors, which are difficult to yield, leading to the increasing of dislocation density and more susceptible to SSC.

引用

页码：227 / 236

页数：10

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