DUAL-PHASE STEEL AND MANUFACTURING METHOD THEREFOR

Title:

DUAL-PHASE STEEL AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2024/041539

Kind Code:

A1

Abstract:

Disclosed in the present invention is dual-phase steel, comprising, in addition to 90% or more of Fe and inevitable impurities, the following components in percentages by mass: C: 0.09-0.11%, Si: 0.1-0.3%, Mn: 1.4-1.6%, Al: 0.01-0.03%, Nb: 0.01-0.03%, Ti: 0.01-0.03%, and B: 0.0020-0.0030%. In the present invention, by rationally controlling the chemical components of steel, dual-phase steel with both low cost and high mechanical properties is obtained. Further disclosed in the present invention is a manufacturing method for the dual-phase steel.

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Inventors:

LI WEI (CN)
ZHU XIAODONG (CN)

Application Number:

PCT/CN2023/114295

Publication Date:

February 29, 2024

Filing Date:

August 22, 2023

Export Citation:

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Assignee:

BAOSHAN IRON & STEEL (CN)

International Classes:

C22C38/02; C22C38/04; C22C38/06; C22C38/12; C22C38/14; C22C38/18

Foreign References:

CN105925905A	2016-09-07
CN109371317A	2019-02-22
CN113737087A	2021-12-03
CN115181886A	2022-10-14
US20230203611A1	2023-06-29

Attorney, Agent or Firm:

SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)

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