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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12781322 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Aug. 16, 2021

High-strength and high-fatigue-life steel for cable, and wire rod and preparation method therefor

Applicant:

Baoshan Iron & Steel Co., Ltd., Shanghai, CN;

Inventors:

Zan Yao, Shanghai, CN;

Feng Jin, Shanghai, CN;

Ziquan Yu, Shanghai, CN;

Zongze Huang, Shanghai, CN;

Sixin Zhao, Shanghai, CN;

Haoyang Zhao, Shanghai, CN;

Ruiyin Zhai, Shanghai, CN;

Assignee:

BAOSHAN IRON & STEEL CO., LTD., Shanghai, CN;

Attorneys:

Lei Fang, Esq.

Smith Tempel Blaha LLC

Primary Examiner:

Anthony M Liang

Int. Cl.
CPC ...
C22C 38/24 (2006.01); C21D 8/06 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01);
U.S. Cl.
CPC ...
C22C 38/24 (2013.01); C21D 8/06 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C21D 2211/003 (2013.01); C21D 2211/008 (2013.01);
Abstract

A high-strength and high-fatigue-life steel for a cable, which comprises, in addition to Fe, the following chemical elements in percentages by mass: 0.90-1.00% of C; 0.90-1.50% of Si; 0.25-0.58% of Mn; 0.20-1.00% of Cr; 0.03-0.12% of V; and 0.0008-0.0025% of Ca. In addition, further provided are a wire rod made of the high-strength and high-fatigue-life steel for a cable and a preparation method for the wire rod.

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Yao, Zan. (2026). High-strength and high-fatigue-life steel for cable, and wire rod and preparation method therefor (U.S. Patent No. 12781322). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12781322

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