Title:
HOT STAMPING PART
Document Type and Number:
WIPO Patent Application WO/2023/075033
Kind Code:
A1
Abstract:
The present invention provides a hot stamping part having a tensile strength of 1350 Mpa or more, wherein the hot stamping part has a microstructure including a prior austenite grain (PAG), and the average grain size of the prior austenite grain is 35㎛ or less.
Inventors:
KIM HYE JIN (KR)
LEE JIN HO (KR)
KONG JE YOUL (KR)
YOON SEUNG CHAE (KR)
JUNG SEUNG PILL (KR)
JUNG HYUN YEONG (KR)
HWANG KYU YEON (KR)
LEE JIN HO (KR)
KONG JE YOUL (KR)
YOON SEUNG CHAE (KR)
JUNG SEUNG PILL (KR)
JUNG HYUN YEONG (KR)
HWANG KYU YEON (KR)
Application Number:
PCT/KR2022/001495
Publication Date:
May 04, 2023
Filing Date:
January 27, 2022
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C21D9/46; B21D22/02; C22C38/24; C22C38/26; C22C38/28; C22C38/32; C22C38/38
Foreign References:
| US20130095347A1 | 2013-04-18 | |||
| KR102310966B1 | 2021-10-08 | |||
| US20170321294A1 | 2017-11-09 | |||
| US20120118440A1 | 2012-05-17 | |||
| US20190309385A1 | 2019-10-10 | |||
| KR20180095757A | 2018-08-28 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
Download PDF:
Previous Patent: HOT-STAMPED PARTS AND MANUFACTURING METHOD THEREFOR
Next Patent: RESIN-COATED YARN, AND SYSTEM AND METHOD FOR MANUFACTURING SAME
Next Patent: RESIN-COATED YARN, AND SYSTEM AND METHOD FOR MANUFACTURING SAME