{
  "$type": "site.standard.document",
  "description": "A stainless steel having good conductivity and ductility for use in a fuel cell separator is provided. In particular, the stainless steel has a composition of, in terms of % by mass, C: 0.01% or less, Si: 1.0% or less, Mn: 1.00 or less, S: 0.01% or less, P: 0.05% or less, Al: 0.20% or less, N…",
  "path": "/patents/1001715",
  "publishedAt": "2012-06-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C21D6/002",
    "JFE STEEL CORP [JP]"
  ],
  "textContent": "A stainless steel having good conductivity and ductility for use in a fuel cell separator is provided. In particular, the stainless steel has a composition of, in terms of % by mass, C: 0.01% or less, Si: 1.0% or less, Mn: 1.00 or less, S: 0.01% or less, P: 0.05% or less, Al: 0.20% or less, N: 0.02% or less, Cr: 20 to 40%, Mo: 4.0% or less, and at least one selected from Nb, Ti, and Zr: 0.05 to 0.60% in total, the balance being Fe and unavoidable impurities. At least one precipitate having an equivalent circle diameter of 0.1 µm or more is present per 100 µm, a ratio of a thickness t (µm) to a maximum diameter Dmax (µm) of the precipitates satisfies formula (1) below 20 ≤ t / Dmax and the thickness is 200 µm or less.",
  "title": "STAINLESS STEEL FOR FUEL CELL SEPARATORS WHICH HAS EXCELLENT ELECTRICAL CONDUCTIVITY AND DUCTILITY, AND PROCESS FOR PRODUCTION THEREOF"
}