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topic 4771

Hydrogen Embrittlement of Galvanized Steel


I am doing a failure analysis on a galvanized quench and tempered steel pipe(.22C/1.32Mn). I have read where the pickling/acid bath can cause hydrogen embrittlement in high-strength steels. Is it common to see such failure due to hydrogen embrittlement in quench and tempered steels (Yield strength = 125 ksi)?

Acid bath: 10% Sulfuric acid, 160F

David Reinhart
- Longview, Texas

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