Current and Future Applications of High Nitrogen Steels

Phase transformations and mechanical properties in heat treated superaustenitic stainless steels

“…Superaustenitic stainless steels are widely used in applications where increased pitting corrosion resistance is needed, such as chemical, gas, oil, pulp and paper industries, marine and offshore applications, structure material for heat exchangers, piping or desalination [1][2][3][4]. In addition to superior corrosion resistance, these steels combine enhanced mechanical properties, formability and weldability, within a wide temperature range, when compared to conventional austenitic stainless steels or Ni-based superalloys, which were traditionally used in such applications [5][6][7][8][9][10].…”

DFT study of the effects of interstitial impurities on the resistance of Cr-doped γ-Fe(111) surface dissolution corrosion

“…While carbon is the element most commonly alloyed with iron in steels, it is not really appropriate for improving strength and toughness because using carbon lowers the corrosion (particularly the local corrosion) resistance of the steel. Nitrogen has been reported to be an advantageous alloying element in that it improves mechanical properties and resistance to localized corrosion [2,5,6]. Thus, nitrogen is commonly added to low-nickel steels to give them high strength, high toughness, and excellent resistance to pitting and crevice corrosion [7,8].…”

The effect of particle size of iron powder on α to γ transformation in the nanostructured high nitrogen Fe–Cr–Mn–Mo stainless steel produced by mechanical alloying

“…In addition, it improves many properties such as strength, ductility, toughness (especially at low temperatures), creep strength as well as resistance to crevice corrosion, pitting corrosion, and stress corrosion cracking [1][2][3][4]. Due to the unique properties, high nitrogen stainless steels (HNSS) have wide range of applications.…”