Nickel Based Alloy For Manufacturing Pipeline Tubes

Abstract: The invention relates to an alloy having the following composition by weight: 16.5% = Cr = 25.0%; 11.0% = Mo = 18.0%; 2.0% = W = 7.0%; Fe = 1.0%; Mo+W = - 0.5 x (Cr+Fe) + 30%; Mo+W = - 0.5 x (Cr+Fe) + 25%; Ti+Ta = 0.80%; 0.01% = Si = 0.75%; 0.01% = Al = 0.35%; 0.01% = Mn = 0.35%; Ca = 0.005%; Mg = 0.005%; Nb = 0.01%; 0.001% = C = 0.05%; 0.001% = N = 0.05%; S = 0.003%; P = 0.005%; optionally 0.0010% = rare earths = 0.015%, the silicon content being less than or equal to 0.25% in the presence of rare earths in an amount between 0.0010% and 0.015%, the balance being nickel and inevitable impurities resulting from the processing, the nickel content being greater than or equal to 54%.

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