| 摘要 |
Provided is a hot-formed member according to the present invention, having a predetermined chemical composition and having a metallographic microstructure containing austenite at an area ratio of 10 area% to 40 area% and in which total number density of particles of the austenite and martensite is equal to or greater than1.0 number/µm 2 , in which tensile strength is from 900 MPa to 1300 MPa. |
