公开(公告)号：US20230193442A1

公开(公告)日：2023-06-22

申请号：US16764234

申请日：2018-11-06

Applicant: SMS GROUP GMBH

Inventor： Frank MASCHLER ,  Lutz KUEMMEL ,  Jean-Pierre CRUTZEN

IPC: C23C2/02 ,  C21D9/56 ,  C21D1/76

CPC classification number: C23C2/02 ,  C21D9/561 ,  C21D1/76

Abstract: Method for the preoxidation of high-strength strip steel. The invention relates to an improved method for the preoxidation of high-strength strip steel in a reaction chamber arranged in a furnace chamber. The reaction chamber is sealed at a strip entrance and a strip exit against gas exchange between the furnace chamber and the reaction chamber, and a gas that forms an oxidizing atmosphere in the reaction chamber is introduced, and the gas is continuously circulated within the reaction chamber