Process for heat treatment of a stainless steel joint part involving heat treatment of a partial region of the part with resultant softening of the steel useful in automobile construction, especially for strengthening of automobile bodies

摘要

Process for heat treatment of a stainless steel joint part involving heat treatment of a partial region (5) of the part (1) with resultant softening of the steel. An IDEPENDENT CLAIM is included for a process of joining of joint parts, at least one of which consists of high strength steel.