|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Energy Materials 2017: Materials for Oil and Gas and AMREE Oil & Gas III
||Development of High-strength and High Corrosion-resistant Ni-Cr-Al Alloy for Drilling Tools
||Yoshihiko Koyanagi, Hiroyuki Takabayashi, Shigeki Ueta
|On-Site Speaker (Planned)
Recently, demand of oil is increasing with the increase in global energy consumption. Materials for drilling tools for the oilfield engineering are required high corrosion resistance, high strength and nonmagnetic characteristics for sensing. Developed DSA760 (Ni-38Cr-3.8Al) alloy can be used in a wide range of drilling tools because DSA760 has not only the high strength and high corrosion resistance also nonmagnetic characteristics. The tensile strength of DSA760 can be obtained more than 2000MPa by aging heat treatment even though the hardness is lower in solution heat treatment. The corrosion resistance of DSA760 is better than typical austenitic stainless steel. DSA760 is expected to contribute as a material for drilling tools in severe environment.
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