Abstract
The mechanical and corrosion properties of air/water-quenched CN66 (0.28/0.38 wt pct, C/N) and CN71 (0.27/0.44 wt pct, C/N) steels after heat treatment were investigated. The carbon condensed area of the water-quenched alloys decreased compared with the air-cooled alloys, and lattice expansions occurred, resulting in a strained region. The values of UTS and elongation of water-quenched CN71 were increased as 105 MPa and 25.2 pct compared with the air-cooled CN71, and decreased sour corrosion resistance (1.8 × 10−4 mm/year).
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Lee, E., Ryu, J., Jeon, S. et al. Mechanical and Corrosion Properties of Fe-Cr-Mn-C-N Austenitic Stainless Steels for Drill Collars. Metall Mater Trans A 47, 2550–2554 (2016). https://doi.org/10.1007/s11661-016-3471-1
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DOI: https://doi.org/10.1007/s11661-016-3471-1