FERRITIC ALLOY
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United States of America Patent
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Issued Date -
Dec 31, 2020
app pub date -
Sep 15, 2020
filing date -
Dec 11, 2014
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Abstract
A ferritic alloy comprising in weight %: C: 0.01-0.1; N: 0.001-0.1; O: ≤0.2; B: ≤0.01; Cr: 9.0-13.0; Al: 2.5-8.0; Si: ≤0.5; Mn: ≤0.4; Y: ≤2.2; Sc+Ce+La: ≤0.2; Mo+W: ≤4.0; Ti: ≤1.7; Zr: ≤3.3; Nb: ≤3.3; V: ≤1.8; Hf+Ta+Th: ≤6.5; the balance being Fe and unavoidable impurities, wherein, the amounts of Ti+Zr+Nb+V+Hf+Ta+Th and C, N and O are balanced such that:
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