公开(公告)号：US20240181748A1

公开(公告)日：2024-06-06

申请号：US18406848

申请日：2024-01-08

Applicant: POSCO CO., LTD

Inventor： Jin-Keun OH ,  Il-Ryoung SOHN ,  Seong-Woo KIM ,  Jeom-Soo SHIN

IPC: B32B15/01 ,  C22C21/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C2/40

CPC classification number: B32B15/012 ,  C22C21/02 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C2/29 ,  C23C2/40 ,  Y10T428/12757

Abstract: The present disclosure relates to an aluminum-based plated steel that is provided for vehicles by hot forming, an aluminum-based alloy plated steel manufactured using the same, and method of manufacturing thereof.

公开(公告)号：US20240002992A1

公开(公告)日：2024-01-04

申请号：US18468268

申请日：2023-09-15

Applicant: POSCO CO., LTD

Inventor： Il-Ryoung SOHN ,  Hyeon-Seok HWANG ,  Jong-Sang KIM

IPC: C23C2/06 ,  C22C38/02 ,  C22C38/04 ,  C23C2/02 ,  B21D37/16 ,  B21D22/02 ,  C21D8/02 ,  C21D9/46 ,  C22C38/00 ,  C23C2/26 ,  C23C2/28

CPC classification number: C23C2/06 ,  C22C38/02 ,  C22C38/04 ,  C23C2/02 ,  B21D37/16 ,  B21D22/02 ,  C21D8/0247 ,  C21D8/0226 ,  C21D9/46 ,  C22C38/00 ,  C21D8/0278 ,  C21D8/0236 ,  C23C2/022 ,  C23C2/261 ,  C23C2/29 ,  B21D22/022

Abstract: Provided is a hot press formed product, which is prepared by means of hot press forming of a Zn—Al—Mg-based plated steel material comprising base iron and a Zn—Al—Mg-based plated layer, and a method for preparing the same, the hot press formed product comprising an oxide layer formed on the surface thereof, wherein the content ratio of Al to Mg (Al/Mg) in the oxide layer is 0.8 or more.

公开(公告)号：US20230211581A1

公开(公告)日：2023-07-06

申请号：US18121249

申请日：2023-03-14

Applicant: POSCO CO., LTD

Inventor： Jin-Keun OH ,  Il-Ryoung SOHN ,  Seong-Woo KIM ,  Jeom-Soo SHIN

IPC: B32B15/01 ,  C22C38/00 ,  C22C38/04 ,  C22C38/28 ,  C22C38/02 ,  C23C2/40 ,  C23C2/12 ,  C22C21/02 ,  C22C38/06 ,  C22C38/32 ,  C23C2/28

CPC classification number: B32B15/012 ,  C22C38/001 ,  C22C38/04 ,  C22C38/28 ,  C22C38/002 ,  C22C38/02 ,  C23C2/40 ,  C23C2/12 ,  C22C21/02 ,  C22C38/06 ,  C22C38/32 ,  C23C2/28 ,  Y10T428/12757

Abstract: The present disclosure relates to an aluminum-based plated steel that is provided for vehicles by hot forming, an aluminum-based alloy plated steel manufactured using the same, and method of manufacturing thereof.