STAINLESS STEEL SHEET WITH Al COATING LAYER

• Main Authors: FUJISAWA Mitsuyuki, MIZUTANI Akito
• Format: Patent
• Language: English; French; Japanese
• Published: 06.01.2022
• Subjects: ALLOYS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A stainless steel sheet with an Al coating layer, which has a base steel sheet and an Al coating layer on the surface of the base steel sheet, wherein: the base steel sheet is formed of a stainless steel sheet that has a specific component composition and a sheet thickness of 100 μm or less; and the total content of Fe and Cr at a first depth of the Al coating layer is from 20% by mass to 70% by mass. L'invention concerne une feuille d'acier inoxydable dotée d'une couche de revêtement en Al, qui a une feuille d'acier de base et une couche de revêtement d'Al sur la surface de la feuille d'acier de base. La feuille d'acier de base est formée d'une feuille d'acier inoxydable qui a une composition de composants spécifique et une épaisseur de feuille de 100 µm ou moins; et la teneur totale en Fe et Cr à une première profondeur de la couche de revêtement en Al va de 20 % en masse à 70 % en masse 素地鋼板と、該素地鋼板の表面のＡｌコーティング層とを有する、Ａｌコーティング層付きステンレス鋼板において、素地鋼板が所定の成分組成を有する板厚：１００μｍ以下のステンレス鋼であり、かつ、Ａｌコーティング層の第１の深さにおけるＦｅおよびＣｒの合計含有量を２０～７０質量％とする。