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LI Jian-hong, LEI Jun-liang, HUANG Kai-xuan, WANG Xi. Cracking Reasons of Stainless Steel Elbow of Medium Temperature Shift Cooling System in Hydrogen Plant[J]. Corrosion & Protection, 2010, 31(4): 324-327.
Citation: LI Jian-hong, LEI Jun-liang, HUANG Kai-xuan, WANG Xi. Cracking Reasons of Stainless Steel Elbow of Medium Temperature Shift Cooling System in Hydrogen Plant[J]. Corrosion & Protection, 2010, 31(4): 324-327.
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Cracking Reasons of Stainless Steel Elbow of Medium Temperature Shift Cooling System in Hydrogen Plant

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  • Received Date: June 28, 2009
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    • Abstract
  • Several penetrated cracks occurred in the heat affecting zone of austenitic stainless steel elbow of medium temperature shift cooling system in a hydrogen plant.Cracking reasons were analyzed by macroscopic examination,hardness test,chemical compositions analysis,X-ray test,metallographic structure and SEM testing,etc.The nature of cracking was determined to be intergranular stress corrosion cracking.Some precautions and suggestions were proposed.
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