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Journal of Failure Analysis and Prevention

, Volume 14, Issue 2, pp 247–252 | Cite as

Failure Analysis of a Pressure Transmitter Line

  • Abdulmohsin Al-Sahli
  • Abdulaziz Al-Meshari
  • Saud Al-Subai
  • Mohammed Al-Rabie
  • Saeed Al-Shahrani
Technical Article---Peer-Reviewed

Abstract

A pressure transmitter pipe in a PVC plant failed during shutdown. An investigation was performed in order to determine the failure mechanism. Investigation methods included visual examination, optical and scanning electron microscope analysis, chemical analysis of the material, and microhardness test. It was concluded that the pipe cracking is attributed to chloride SCC.

Keywords

Failure analysis Stress corrosion cracking Pitting Austenitic stainless steel 

Nomenclature

PVC

Polyvinyl chloride

EDC

Ethylene dichloride

VCM

Vinyl chloride monomer

HCl

Hydrogen chloride

VCl

Vanadium chloride

SCC

Stress corrosion cracking

Al

Aluminum

C

Carbon

Cl

Chloride

Cr

Chromium

Fe

Iron

Mn

Magnesium

Ni

Nickel

O

Oxygen

P

Phosphorus

Si

Silicon

S

Sulfur

Mo

Molybdenum

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Copyright information

© ASM International 2014

Authors and Affiliations

  • Abdulmohsin Al-Sahli
    • 1
  • Abdulaziz Al-Meshari
    • 1
  • Saud Al-Subai
    • 1
  • Mohammed Al-Rabie
    • 1
  • Saeed Al-Shahrani
    • 2
  1. 1.Materials and Corrosion SectionJubailSaudi Arabia
  2. 2.Metal Analytical LabsJubailSaudi Arabia

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