Pitting corrosion

Localised corrosion that drills small deep holes, typically where chlorides break down the passive film of stainless steel. Resistance is ranked by the PREN index; molybdenum is the key alloying defence.

More terms

Annealing · Austenite · Bainite · Carbon equivalent (CEV) · Carburizing · Case hardening · Charpy impact test · Cold drawn · Decarburization · Elongation (A) · ESR (electroslag remelting) · Ferrite