Austenitic stainless steel

• Main Authors: HIRAIDE, Nobuhiko, YOSHIMI, Toshihiko
• Format: Patent
• Language: English
• Published: 17.08.2023
• Subjects: ALLOYS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR 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; TREATMENT OF ALLOYS OR NON-FERROUS METALS

This austenitic stainless steel contains, in terms of mass%, no more than 0.100% C, no more than 3.00% Si, 0.01-5.00% Mn, no more than 0.100% P, no more than 0.0050% S, 7.00-38.00% Ni, 17.00-28.00% Cr, no more than 10.00% Mo, and more than 0.100% and no more than 0.400% N, the remainder comprising Fe and impurities, and the brightness difference ∆L of the surface of a steel plate thereof is 5 or less.