STEEL MATERIAL HAVING LOW SURFACE HARDNESS AND EXCELLENT LOW TEMPERATURE IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME

Title:

STEEL MATERIAL HAVING LOW SURFACE HARDNESS AND EXCELLENT LOW TEMPERATURE IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2022/131581

Kind Code:

A1

Abstract:

The present invention is to provide a steel material having low surface hardness and excellent low temperature impact toughness, and a method for manufacturing same.

Inventors:

SO TAE-IL (KR)
KANG SANG-DEOK (KR)

Application Number:

PCT/KR2021/016895

Publication Date:

June 23, 2022

Filing Date:

November 17, 2021

Export Citation:

Click for automatic bibliography generation Help

Assignee:

POSCO (KR)

International Classes:

C22C38/58; C21D8/04; C21D9/46; C22C38/44; C22C38/46; C22C38/48; C22C38/50

Foreign References:

KR102131538B1	2020-07-08
JP6569842B1	2019-09-04
JP6048621B1	2016-12-21
JP2011225975A	2011-11-10
KR101778598B1	2017-09-15
KR101735336B1	2017-05-15

Attorney, Agent or Firm:

C&S PATENT AND LAW OFFICE (KR)

Download PDF:

View/Download PDF PDF Help

Previous Patent: ELECTRODE SLURRY COATING DEVICE AND METHOD CAPABLE OF MEASURING RESIDUAL OIL LEVEL

Next Patent: ELECTRONIC DEVICE FOR REDUCING POWER CONSUMPTION DUE TO WIRELESS COMMUNICATION, AND OPERATING METHOD...