... certain uses may substitute 304 stainless steel. Sold in the Chinese market, the majority of 200 series stainless steel according to GB ... reach balanced formation of ferrite, for 200 series stainless steel, the chromium content is reduced below 15% to 16%, in some ... under acidic conditions, manganese and copper in some cases reduce the re blunt of the role. 200 series steel destruction rate under these ...