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    High-strength, high corrosion-resistant and non-magnetic stainless steel
    5.
    发明授权
    High-strength, high corrosion-resistant and non-magnetic stainless steel 有权
    高强度，高耐腐蚀和非磁性不锈钢

    公开(公告)号：US06756011B2

    公开(公告)日：2004-06-29

    申请号：US10062448

    申请日：2002-02-05

    申请人： Takeshi Koga ,  Tetsuya Shimizu ,  Toshiharu Noda

    发明人： Takeshi Koga ,  Tetsuya Shimizu ,  Toshiharu Noda

    IPC分类号： C22C3820

    CPC分类号： C22C38/38 ,  C22C38/001

    摘要： A high-strength, high corrosion-resistant and non-magnetic stainless steel which is further excellent in strength and corrosion resistance and safe in the living body and also can stand against various corrosive environments. The stainless steel comprises 0.15% by weight or less of C, 1.0% or less of Si, 3.0 to 12.0% of Mn, 0.030% or less of P, 0.50% or less of Ni, 15.0 to 21.0% of Cr, 0.70 to 1.50% of N, 0.020% or less of Al and 0.020% or less of O, and a remainder of Fe and inevitable impurities.

    摘要翻译： 高强度，高耐腐蚀，无磁性的不锈钢，其强度和耐腐蚀性进一步优异，机体安全，也可抵抗各种腐蚀环境。 不锈钢包含C：0.15重量％以下，Si 1.0％以下，Mn：3.0〜12.0％，P：0.030％以下，Ni：0.50％以下，Cr：15.0〜21.0％，Cr：0.70〜 N为1.50％，Al为0.020％以下，O为0.020％以下，余量为Fe和不可避免的杂质。

    Steel for a plastic molding die
    6.
    发明申请
    Steel for a plastic molding die 审中-公开
    塑钢成型模具

    公开(公告)号：US20060285992A1

    公开(公告)日：2006-12-21

    申请号：US11444460

    申请日：2006-06-01

    申请人： Motohiro Ibuki ,  Shuji Hamano ,  Takeshi Koga

    发明人： Motohiro Ibuki ,  Shuji Hamano ,  Takeshi Koga

    IPC分类号： C22C38/22

    CPC分类号： C22C38/44 ,  C21D1/18 ,  C21D6/002 ,  C21D8/06 ,  C22C1/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/60

    摘要： To provide a steel for plastic molding die which possesses enough hardness, wear resistance and corrosion resistance, and is excellent in high-precision processability and mirror polishing properties. The steel for a plastic molding die contains not more than 0.80 wt % C, not less than 0.01 wt % and less than 1.40 wt % Si, not less than 0.05 wt % and not more than 2.0 wt % Mn, not less than 0.005 wt % and not more than 1.00 wt % Ni, not less than 13.0 wt % and not more than 20.0 wt % Cr, not less than 0.20 wt % and not more than 4.0 wt % Mo+½ W, not less than 0.01 wt % and not more than 1.00 wt % V, not less than 0.36 wt % and not more than 0.80 wt % N, not more than 0.02 wt % O, not more than 0.80 wt % Al, and the remainder substantially including Fe and unavoidable impurities.

    摘要翻译： 提供具有足够硬度，耐磨性和耐腐蚀性的塑料模具用钢，并且具有优异的高精度加工性和镜面抛光性能。 用于塑料模具的钢包含不大于0.80重量％的C，不小于0.01重量％且小于1.40重量％的Si，不小于0.05重量％且不大于2.0重量％的Mn，不小于0.005重量％ ％，不大于1.00重量％的Ni，不小于13.0重量％且不大于20.0重量％的Cr，不小于0.20重量％且不大于4.0重量％的Mo +½W，不小于0.01重量％，以及 不大于1.00重量％的V，不小于0.36重量％且不大于0.80重量％的N，不大于0.02重量％的O，不大于0.80重量％的Al，其余部分基本上包括Fe和不可避免的杂质。

    High-hardness martensitic stainless steel excellent in corrosion resistance
    7.
    发明授权
    High-hardness martensitic stainless steel excellent in corrosion resistance 有权
    高硬度马氏体不锈钢耐腐蚀性优良

    公开(公告)号：US06673165B2

    公开(公告)日：2004-01-06

    申请号：US10083120

    申请日：2002-02-27

    申请人： Takeshi Koga ,  Tetsuya Shimizu ,  Toshiharu Noda

    发明人： Takeshi Koga ,  Tetsuya Shimizu ,  Toshiharu Noda

    IPC分类号： C22C3818

    CPC分类号： C22C38/001 ,  C22C38/18 ,  C22C38/42

    摘要： A high-hardness martensitic stainless steel excellent in corrosion resistance, comprising less than 0.15% by weight of C, from 0.10 to 1.0% by weight of Si, from 0.10 to 2.0% by weight of Mn, 0.010% or less of S, from 12.0 to 18.5% by weight of Cr, from 0.40 to 0.80% by weight of N, less than 0.030% by weight of Al, less than 0.020% by weight of O, and substantially the balance of Fe. The martensitic stainless steel of the present invention has cold-workability and hardness after tempering higher than that of SUS420J2 and corrosion resistance equivalent to or higher than that of an austenitic stainless steel SUS316.

    摘要翻译： 耐腐蚀性优异的高硬度马氏体系不锈钢，含有0.15重量％以下的C，0.10〜1.0重量％的Si，0.10〜2.0重量％的Mn，0.010％以下的S， 12.0-18.5重量％的Cr，0.40-0.80重量％的N，小于0.030重量％的Al，小于0.020重量％的O和基本上余量的Fe。 本发明的马氏体系不锈钢的冷加工性和回火后的硬度高于SUS420J2，耐腐蚀性等于或高于奥氏体不锈钢SUS316。