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L51563 SCC Resistance of Newly Developed Grade X70 and X80 Line Pipe Steels
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The report describes the results of an evaluation of the stress-corrosion cracking (SCC) resistance of three high-strength, line pipe steels. These steels included an X70 grade containing Mn, V, and Cb, with a ferritic-bainitic microstructure; an X70 grade containing boron (B), with a bainitic structure; and a ferritic X80 grade microalloyed with Mo, Cb, V, and Ti. All three of these steels have been shown, in previous PRCI research programs, to have excellent strength, toughness, and resistance to hydrogen sulfide attack.
Title: L51563 SCC Resistance of Newly Developed Grade X70 and X80 Line Pipe Steels
Description:
The report describes the results of an evaluation of the stress-corrosion cracking (SCC) resistance of three high-strength, line pipe steels.
These steels included an X70 grade containing Mn, V, and Cb, with a ferritic-bainitic microstructure; an X70 grade containing boron (B), with a bainitic structure; and a ferritic X80 grade microalloyed with Mo, Cb, V, and Ti.
All three of these steels have been shown, in previous PRCI research programs, to have excellent strength, toughness, and resistance to hydrogen sulfide attack.
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