2013•Advanced materials researchOpen access

Pitting Resistance of Domestic Super Martensitic Stainless Steel 00Cr13Ni5Mo2

Shi Dong Zhu, Jin Ling Li, Hai Hong Xia, Li Liu

Abstract

Pitting resistance of super martensitic stainless steel 00Cr13Ni5Mo2 made in China has been investigated by employing electrochemical technology and chemical immersion methods. The results showed that pitting potential of super martensitic stainless steel decreased with the increasing of NaCl concentration and temperature, respectively. And corrosion rate of super martensitic stainless steel increased with the increasing of temperature. Furthermore, compared to super martensitic stainless steel made in Japan, the domestic one was better in terms of pitting potential, pitting corrosion rate and the density of the pits, but worse in terms of the depth of the pits.

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Key concepts: Martensitic stainless steel, Materials science, Metallurgy, Martensite, Pitting corrosion, Corrosion, Microstructure