Stainless steel alloys, turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jul 31, 2014
filing date -
Jul 31, 2014
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Abstract
Disclosed is an austenitic stainless steel alloy that includes, by weight, about 22% to about 28% chromium, about 3.5% to about 6.5% nickel, about 1% to about 6% manganese, about 0.5% to about 2.5% silicon, about 0.5% to about 1.5% tungsten, about 0.2% to about 0.8% molybdenum, about 0.2% to about 0.8% niobium, about 0.3% to about 0.6% carbon, about 0.2% to about 0.8% nitrogen, and a balance of iron. The alloy is suitable for use in turbocharger turbine housing applications for temperature up to about 1020° C.
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