HIGH CORROSION RESISTANCE AND HIGH STRENGTH STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

Title:

HIGH CORROSION RESISTANCE AND HIGH STRENGTH STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2024/029679

Kind Code:

A1

Abstract:

A high corrosion resistance and high strength stainless steel, according to one example of the present invention, comprises, in wt%, 0.01-0.1% of C, 0.01-0.1% of N, 0.01-1.0% of Si, 0.01-3.0% of Mn, 10.0-20.0% of Cr, 0.001-1.0% of Al, at most 0.05% of P, at most 0.01% of S, and the remainder in Fe and other unavoidable impurities, wherein the distribution of carbides with a diameter of at least 0.5 ㎛ is at most 7/100 ㎛2 per unit area, and the microstructure is dual phase with a martensite phase and a ferrite phase, and the martensite phase is at least 20% in area ratio.

More Like This:

JP2012223807	CONTINUOUS CASTING METHOD OF WEAR-RESISTANT STEEL AND WEAR-RESISTANT STEEL OBTAINED BY THE SAME
JPS62205217	PRODUCTION OF STRUCTURAL STEEL HAVING EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT
JP7142094	Non-oriented electrical steel sheet and manufacturing method thereof

Inventors:

KONG JUNGHYUN (KR)
KIM SANGSEOK (KR)
PARK MINAM (KR)
KIM SANGYUN (KR)
TAE GISUN (KR)
KIM HOIHUN (KR)
KIM DOHUN (KR)

Application Number:

PCT/KR2023/003277

Publication Date:

February 08, 2024

Filing Date:

March 10, 2023

Export Citation:

Click for automatic bibliography generation Help

Assignee:

POSCO CO LTD (KR)

International Classes:

C22C38/38; C21D8/02; C22C38/02; C22C38/06

Domestic Patent References:

WO2021205876A1

2021-10-14

Foreign References:

KR20160113179A	2016-09-28
JP2000109957A	2000-04-18
JP2000282147A	2000-10-10
US20200270718A1	2020-08-27

Attorney, Agent or Firm:

SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)

Download PDF:

View/Download PDF PDF Help

Previous Patent: USE OF PDH INHIBITORS IN TREATMENT OF NEURODEGENERATIVE DISEASES

Next Patent: METHOD AND DEVICE FOR HUD CALIBRATION USING CAMERA INSIDE VEHICLE