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US 2020/0270728 A1Published application
Heat-resistant cast steel and turbocharger part
AssigneeIHI Corporation
InventorsKoichi KUREBAYASHI, Yasuo MATSUNAGA
Life of this patent
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Abstract
A heat-resistant cast steel contains 0.55 mass % or more and 1.0 mass % or less C, 1.5 mass % or more and 3.5 mass % or less Si, more than 0 mass % and 2 mass % or less Mn, 6 mass % or more and 11 mass % or less Ni, 22 mass % or more and 27 mass % or less Cr, and more than 0 mass % and 0.6 mass % or less No, and the balance being Fe and unavoidable impurities.
Claims19
A heat-resistant cast steel comprising:
- 0.55 mass % or more and 1.0 mass % or less C;
- 1.5 mass % or more and 3.5 mass % or less Si;
- more than 0 mass % and 2 mass % or less Mn;
- 6 mass % or more and 11 mass % or less Ni;
- 22 mass % or more and 27 mass % or less Cr;
- more than 0 mass % and 0.6 mass % or less Mo;
- and
- the balance being Fe and unavoidable impurities.
5 more elements
Dependencies are inferred from the claim text.