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ferritic stainless steels

noun

Definition

  1. The designation used for certain straight chromiun steels which exhibit microstructure consisting mainly of ferrite at ordinary temperatures. Ferritic stainless steels are divided into two classifications: hardenable, and nonhardenable. When rapidly cooled from elevated temperatures, the nonhardenable grades (ferritic) have a ferritic microstructure. The hardenable grades (martensitic) will exhibit a martensitic microstructure when rapidly cooled.