Nickel-based alloy for high-temperature technology

US6797232B2 · kind B2 · utility

Assignee

• Bohler Edelstahl GmbH · AT

Inventors

• Markus Speidel · Birmenstorf, CH
• Josef Bernauer · St. Florian, AT

Key dates

• Filing date: Jun 14, 2001
• Grant date: Sep 28, 2004
• Expiry date: Jun 14, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C19/053
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Creep-proof and corrosion-resistant nickel-based alloy for the use in high-temperature technology, comprising in wt-%:0.0015 to 0.60 carbon (C);0.20 to 0.90 nitrogen (N);22.0 to 32.0 chromium (Cr);5.0 to 20.0 elements of group 4, 5, and 6 of the periodic table, except Cr;0.03 to 3.0 aluminum (Al);0.4 to 3.0 silicon (Si);up to 0.15 elements of group 3 of the periodic table, except actinoids;up to 0.60 manganese (Ma);up to 14.8 iron (Fe);up to 0.01 boron (B);a maximum of 0.014 phosphorus (P);a maximum of 0.004 sulfur (S);a minimum of 51 nickel (Ni) or a combination of nickel (Ni) and cobalt (Co); andmelting-related impurities.