公开(公告)号：US20230374636A1

公开(公告)日：2023-11-23

申请号：US18030198

申请日：2021-08-04

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Hyun-Woo Jin ,  Weiji Huang

IPC: C22C38/58 ,  C22C38/42 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06 ,  C22C33/04 ,  C21D8/02

CPC classification number: C22C38/58 ,  C22C38/42 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C33/04 ,  C21D8/0205 ,  C21D8/021 ,  C21D2211/001

Abstract: The present invention relates to ferrous alloys with high strength, cost-effective corrosion resistance and cracking resistance for refinery service environments, such as amine service under sweet or sour environments. More specifically, the present invention pertains to a type of ferrous manganese alloyed steels for high strength and cracking resistance and methods of making and using the same for applications including, but not limited to, amine units used in oil and gas production, petroleum refining, and chemical production.