All ________ based materials and low alloy materials, 300 Series SS and 400 Series SS are susceptible to Sulfidation.

Galvanized steel components should not be welded to ________ due to LME.

Naphthenic acid corrosion is most severe in _________ flow; in areas of high velocity or turbulence and in distillation towers where hot vapors condense to form liquid phase droplets.

Steel cleanliness and _______ have a significant influence on toughness and resistance to brittle fracture.

Key factors affecting thermal fatigue are the magnitude of the temperature and the __________.