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Corrosion and Materials Professional Questions 31–35 (page: 8)

Carbonate stress corrosion cracking usually occurs at welds or cold worked areas that __________.

Nitriding is usually confined to the surface of most components and will have a dull, ______ appearance. In more advanced stages, the material will exhibit very hard surface hardness.

Carbon steel is susceptible to SCC when used in ___________ service.

The grain size has an important influence on the high temperature ductility and on the reheat cracking susceptibility. A ________ grain size results in _______ ductile heat affected zones, making the material more susceptible to reheat cracking.

Equipment that is temper embrittled may be susceptible to _______ during start-up and shutdown.