Invention Publication
- Patent Title: HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND METHOD FOR PREPARING SAME
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Application No.: US18468268Application Date: 2023-09-15
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Publication No.: US20240002992A1Publication Date: 2024-01-04
- Inventor: Il-Ryoung SOHN , Hyeon-Seok HWANG , Jong-Sang KIM
- Applicant: POSCO CO., LTD
- Applicant Address: KR Pohang-si
- Assignee: POSCO CO., LTD
- Current Assignee: POSCO CO., LTD
- Current Assignee Address: KR Pohang-si
- Priority: KR 20150183502 2015.12.22
- The original application number of the division: US16061844 2018.06.13
- Main IPC: C23C2/06
- IPC: C23C2/06 ; C22C38/02 ; C22C38/04 ; C23C2/02 ; B21D37/16 ; B21D22/02 ; C21D8/02 ; C21D9/46 ; C22C38/00 ; C23C2/26 ; C23C2/28
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.
Information query
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