The high strength of Tenform XF450, a hot-rolled high-strength low-alloy steel, allows the user to increase the strength of the finished component or to reduce the thickness. Construction and the automotive industries offer uses. This datasheet provides information on composition, physical properties, and bend strength as well as fatigue. It also includes information on forming and joining. Filing Code: CS-173. Producer or source: Hille & Mueller, USA Inc.. See also Alloy Digest CS-148, January 2007.