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US08591673B2 Martensitic stainless steel and antifriction bearing using the same 有权
马氏体不锈钢和使用相同的减摩轴承

  • Patent Title: Martensitic stainless steel and antifriction bearing using the same
  • Patent Title (中): 马氏体不锈钢和使用相同的减摩轴承
  • Application No.: US12549888
    Application Date: 2009-08-28
  • Publication No.: US08591673B2
    Publication Date: 2013-11-26
  • Inventor: Hiroshi Yamada
  • Applicant: Hiroshi Yamada
  • Applicant Address: JP Nagano
  • Assignee: Minebea Co., Ltd.
  • Current Assignee: Minebea Co., Ltd.
  • Current Assignee Address: JP Nagano
  • Agency: Oliff & Berridge, PLC
  • Priority: JP2008-223246 20080901; JP2009-138507 20090609
  • Main IPC: C22C38/22
  • IPC: C22C38/22
Martensitic stainless steel and antifriction bearing using the same
Abstract:
A martensitic stainless steel with high hardness and high corrosion resistance consists of, by weight %, 0.35 to 0.45% of C, not more than 0.2% of Si, not more than 0.3% of Mn, not more than 0.02% of P, not more than 0.02% of S, 15 to 17% of Cr, 1.5 to 2.5% of Mo, 0.001 to 0.003% of B, 0.15 to 0.25% of N, and the balance of Fe and inevitable impurities.
Abstract(Chinese):

具有高硬度和高耐腐蚀性的马氏体不锈钢由以下组成：按重量％计，C：0.35〜0.45％，Si：0.2％以下，Mn：0.3％以下，P：0.02％以下 大于0.02％的S，15〜17％的Cr，1.5〜2.5％的Mo，0.001〜0.003％的B，0.15〜0.25％的N，剩余的Fe和不可避免的杂质。

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