The focus of this paper is the welding metallurgy and weld metal properties of N07022 alloy. Evaluation of the N07022 weld metal microstructure will be discussed. Sour gas testing of N07022 weld overlay material will be highlighted. Mechanical properties will be presented.
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Recent results of sour gas and hydrogen embrittlement testing of CW N07022 alloy will be presented. The test results of CW N07022 alloy will demonstrate that it offers superior properties to precipitation-strengthened Ni-base alloys for demanding oil and gas applications.