A vacuum tower operating at 740º F is being entered to inspect. Several sets of Type 410 SS trays are bent at various angles. The trays are removed in order to straighten them. When an attempt is made to straighten them cracks form at the bends. What type of damage mechanism would cause the cracks to form?

Question

Quizplus · Accepted Answer

885º F embrittlement is a damage mechanism that affects certain stainless steels, like Type 410, when exposed to temperatures between 700º F and 1000º F. This can cause the material to become brittle and crack when subjected to stress, such as during straightening.

A Vacuum Tower Operating at 740º F Is Being Entered