Patent · US Active

High-strength stainless steel rotor and method for preparing the same

US11951530B2 · kind B2 · utility

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14Claims

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Assignee

CENTRAL IRON AND STEEL RESEARCH INSTITUTE · CN

Inventors

Zhenbao Liu · Beijing, CN
Jianxiong Liang · Beijing, CN
Xiaohui Wang · Pittsford, US
Yongqing Sun · Beijing, CN
Changjun Wang · Beijing, CN
Zhiyong Yang · Beijing, CN

Key dates

Filing date	Apr 29, 2021
Grant date	Apr 9, 2024
Priority date	—
Expiry date	Nov 13, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01C19/06
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A high-strength stainless steel rotor and a method for preparing the same, are provided. The high-strength stainless steel rotor, including the following element components by mass percentage: C: 0.03-0.050%, Cr: 14.90-15.80%, Ni: 5.00-5.70%, Cu: 2.20-2.80%, (Nb+Ta): 0.35-0.44%, Mo: 0.45-0.54%, V: 0.06-0.10%, Si: 0.20-0.60%, Mn: 0.40-0.80%, P≤0.010%, S≤0.010%, O≤0.003%, and the balance of iron and inevitable impurities.

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