Patent · US Active

Nickel alloy having good resistance to corrosion and high tensile strength, and method for producing semi-finished products

US12195827B2 · kind B2 · utility

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9References

10Claims

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Assignee

VDM Metals International GmbH · DE

Inventors

Julia BOTINHA · Hagen, DE
Bodo Gehrmann · Plettenberg, DE
Helena ALVES · Dortmund, DE

Key dates

Filing date	Mar 17, 2020
Grant date	Jan 14, 2025
Priority date	—
Expiry date	Jan 31, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A nickel alloy includes (in wt. %) Ni 50-55%, Cr 17-21%, Mo>0-9%, W 0-9%, Nb 1-5.7%, Ta>0-4.7%, Ti 0.1-3.0%, Al 0.4-4.0%, Co max. 3.0%, Mn max. 0.35%, Si max. 0.35%, Cu max. 0.23%, C 0.001-0.045%, S max. 0.01%, P 0.001-0.02%, B 0.001-0.01%, the remainder Fe and the conventional process-related impurities, wherein the following relations are provided: Nb+Ta 1-5.7% (1), Al+Ti>1.2-5% (2), Mo+W 3-9% (3), where Nb, Ta, Al and Ti are the concentration of the elements in question in wt. %.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.