COLD ROLLED STEEL SHEETS AND THEIR PRODUCTION METHODS

ID202605823APending Publication Date: 2026-07-14POHANG IRON & STEEL CO LTD

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Patent Information

Application Number: IDP00202607476
Authority / Receiving Office: ID · ID
Patent Type: Applications
Current Assignee / Owner
Priority Date: 2023-12-18
Filing Date: 2024-12-18
Publication Date: 2026-07-14

Application Information

Patent Timeline

18 Dec 2023

Priority

18 Dec 2024

Application

IDP00202607476

14 Jul 2026

Publication

ID202605823A

IPC: C21D8/02; C22C38/00; C22C38/22; C22C38/26; C22C38/28; C22C38/32; C22C38/38

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Abstract

One aspect of the present invention is to provide cold-rolled steel sheets and a method of production thereof. A preferred aspect of the present invention is to provide ultra-high-strength cold-rolled steel sheets and a method of production thereof, the ultra-high-strength cold-rolled steel sheets having a tensile strength of 1470 MPa or more and also having excellent shapeability and excellent phosphate processing ability.

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