Hydrogen blisters may form as surface bulges on the ID, the OD on within the wall thickness of a pipe or pressure vessel. Blistering occurs from hydrogen generated by ______, not hydrogen gas from the process stream.

Question

Quizplus · Accepted Answer

Blistering occurs from hydrogen generated by corrosion, where atomic hydrogen diffuses into the metal and forms molecular hydrogen, creating pressure that leads to blistering.

Hydrogen Blisters May Form as Surface Bulges on the ID