Patent ID: 8703047
Filing Date: 2014-04-22
Classification: C21D,C22C

Abstract:
1. A clothing ornament made from a high-Mn austenitic stainless steel having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 12.00-18.43 mass %, S: not more than 0.03 mass %, Ni: 4.0-8.42 mass %, Cr: 14.0-25.0 Mass %, N: 0.07-0.17 mass % and Cu: 0.03-3.0 mass %, and optionally one or more elements selected from Mo, V, Ti and Nb, with the balance being Fe and inevitable impurities, provided that these components are contained so that δ cal represented by the following equation (1) is not more than 5.5%: wherein each element symbol in the equation is a content of the respective element (mass %), and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.