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Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method
Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method
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机译:通过氮吸收处理制造不锈钢产品的方法以及通过该方法生产的不锈钢产品
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摘要
A method for manufacturing a stainless steel product, which comprises contacting a bulk product of a ferritic stainless steel having been formed into a desired shape through melting with an inert gas containing nitrogen at 800° C. or higher, to thereby convert the structure of the whole or a part of the bulk product to austenite and produce an austenitic product or a product having a two-phase structure comprised of ferrite and austenite, respectively. The method allows the reduction of the manufacturing cost of a formed austenitic stainless steel product to a satisfactorily low level, which results in the manufacture of a stainless steel product having satisfactory characteristics in both of strength and corrosion resistance at a satisfactorily low cost.
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