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Austenitic stainless steel with improved resistance to corrosion by nitric acid



Austenitic stainless steel with improved resistance to corrosion by nitric acid



United States Patent (US 4,671,929): 7 pp



An austenitic stainless steel exhibiting improved resistance to corrosion caused by nitric acid consists essentially of: C <less or => 0.03;Si 2-6; Mn 0.1-8; Cr 20-35; Ni 17-50; Mg <less or => 0.02; at least one of Nb, Ti, and Ta in the total amount of 8 x C(%) or more, but <less or => 1.0; S <less or => 0.003; O <less or => 0.003; N <less or => 0.03; and P <less or => 0.02 wt%. The balance is Fe and incidental impurities.

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Accession: 001533819

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