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Cold cracking



Cold cracking is a defect that occurs in welding and requires all the following preconditions:

  • susceptible microstructure (e.g. martensite)
  • hydrogen present in the microstructure (hydrogen embrittlement)
  • service temperature environment (normal atmospheric pressure): -100 to +100 °F
  • high restraint

Eliminating any one of these will eliminate this condition.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cold_cracking". A list of authors is available in Wikipedia.
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