Failure Analysis of the Entrance Elbow for Crude Oil Cracking Furnace

Cheng Xu; Xiao Tao Zheng; JiuYang Yu; Tao Yi; Wei Lin; Si Hao Nie; Yi Wen Chen

doi:10.4028/www.scientific.net/AMR.524-527.1811

Paper Titles

Distribution and Conversion of Sulfur in Residue Thermal Reaction
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Estimation of CO₂-Oil Phase Equilibrium and CO₂ Storage Capacity in Jilin Oil Field
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Extractive Capacity of CO₂ in Oil Saturated Porous Media
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Failure Analysis of the Entrance Elbow for Crude Oil Cracking Furnace
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Make Arrangements for Petroleum Pipe Line
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 524-527Failure Analysis of the Entrance Elbow for Crude...

Failure Analysis of the Entrance Elbow for Crude Oil Cracking Furnace

Abstract:

The weld cracking mechanism of the entrance elbow of crude oil cracking furnace served at 490°C was investigated. The performance and microstructure of failed elbow were characterized by hardness testing, optical microscopy, scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS). The results showed that cracks are caused by the combination of sulfide corrosion, embrittlement of weld metal and thermal stress.

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Periodical:

Advanced Materials Research (Volumes 524-527)

Pages:

1811-1815

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.524-527.1811

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Online since:

May 2012

Authors:

Cheng Xu, Xiao Tao Zheng, JiuYang Yu, Tao Yi, Wei Lin, Si Hao Nie, Yi Wen Chen

Keywords:

Brittle Fracture, Crude Oil Cracking Furnace, Failure Analysis, Sulfide Corrosion

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