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Boiler Failures

                                          

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ASME Boiler Failures

Boilers and steam power plant components experience various failure modes.  Some of the common failures associated with boilers are listed below:

  •   Distortion

  •   Thermal fatigue

  •   Acid dew point corrosion

  •   Over temperature

  •   Fatigue

  •   Maintenance damage

  •   Material flaws

  •   Welding flaws

boiler explosion 02                   boiler explosion 03

Boilers are used to heat water for industrial purposes, and to produce steam in power generating plants.  Steels, cast irons, stainless steels and high temperature alloys are used to construct various boiler components. 

Design defects, fabrication defects, improper operation and improper maintenance are some common causes for boiler failures.  Elevated temperature and corrosion failures are common failure modes for boilers.  Additionally, mechanical failures due phenomena such as fatigue or wear occur as well.  Some of the most common failures modes for boilers used for steam generating include overheating, fatigue or corrosion fatigue, corrosion, stress corrosion cracking, and defective or improper materials.   

ASME Boiler Failure Analysis

Design errors, fabrication mistakes, improper maintenance, and inadequate water treatment are some of the causes of component failure.  Tube rupture and corrosion of the tubes are among the frequent problems with steam boilers.  Failure analysis can determine the effects corrosion, over heating, scaling, fatigue, erosion, stress corrosion cracking, hydrogen, welding, or other factors may have contributed to boiler failure.

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Last modified: September 11, 2007