公开(公告)号：US20210355569A1

公开(公告)日：2021-11-18

申请号：US16495732

申请日：2018-03-29

申请人： NIPPON STEEL CORPORATION

发明人： Masaaki FUJIOKA ,  Tetsuya NAMEGAWA ,  Masahide YOSHIMURA ,  Masanori MINAGAWA

IPC分类号： C22C38/38 ,  C22C38/28 ,  C22C38/24 ,  C22C38/22 ,  C22C38/20 ,  C22C38/16 ,  C22C38/14 ,  C22C38/12 ,  C22C38/10 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D9/46 ,  C21D8/02 ,  C21D6/00

摘要： An austenitic wear-resistant steel plate according to an aspect of the present invention has a predetermined chemical composition, amounts of C and Mn by mass % satisfy −13.75×C+16.5≤Mn≤−20×C+30, the volume fraction of austenite in a metallographic structure is 40% or more and less than 95%, and the average grain size of the austenite is 40 to 300 μm.