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Remedy for Hydrogen Embrittlement




We are making a hook out of SS304 and it has failed in few cases during the testing. The failure is sudden and it has happened without any extra stress. I doubt it to be a hydrogen embrittlement incurred during the making of steel. Is there any process to control the hydrogen embrittlement after the steel is made.

Aravind G
Supplier Quality - Bangalore, Karnataka, India
2006



2006

I don't know of any 300 type stainless steel which is susceptible to Hydrogen Embrittlement. Chloride SCC yes, but not HE. The low tensile alloys generally are normally not prone to this mechanism. Are you sure you are using the 300 type?
More information please on how the hook forming is being carried out, and what other processes have taken place.
Regards

Martin Rich
Ship Repair - Plymouth, UK




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