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PRECIPITATION HARDENING STAINLESS STEEL POWDER OBTAINING HIGH STRENGTH AFTER SINTER-AGING TREATMENT, MANUFACTURING METHOD THEREFOR AND MOLDED BODY THEREOF
PRECIPITATION HARDENING STAINLESS STEEL POWDER OBTAINING HIGH STRENGTH AFTER SINTER-AGING TREATMENT, MANUFACTURING METHOD THEREFOR AND MOLDED BODY THEREOF
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机译：烧结时效后高强度析出强化不锈钢粉体的制备方法及其成型体
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摘要
PROBLEM TO BE SOLVED: To provide a precipitation hardening stainless steel powder obtaining high strength even when aging as a sintered body, a manufacturing method thereof and a molded body thereof.;SOLUTION: There is provided a precipitation hardening stainless steel powder containing, by mass%, C:≤0.05%, Si:≤1.0%, Mn:≤1.5%, Ni:3.0 to 8.5%, Cr:12.0 to 20.0%, Mo:0.1 to 2.5%, Cu:1.0 to 5.0%, Nb+Ta≥5C, N:≤350 ppm and the balance Fe with inevitable impurities and consisting of powder of precipitation hardening stainless steel where a martensite structure contained in a sintered body consisting of the steel powder is 90% or more. Ni-bal.=Ni+27C+23 N+0.2Mn+0.3Cu-1.2(Cr+Mo)-0.5Si-0.3 Nb+10 (1).;COPYRIGHT: (C)2016,JPO&INPIT
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机译：解决的问题：为了提供一种即使在作为烧结体时也能获得高强度的沉淀硬化型不锈钢粉末，其制造方法及其成型体。解决方案：提供了一种沉淀硬化型不锈钢粉末，其质量含量为％，C：≤0.05％，Si：≤1.0％，Mn：≤1.5％，Ni：3.0至8.5％，Cr：12.0至20.0％，Mo：0.1至2.5％，Cu：1.0至5.0％，Nb + Ta≥5C，N：≤350ppm，余量的Fe为不可避免的杂质，由析出硬化型不锈钢粉末构成，其中，由该钢粉末构成的烧结体所含的马氏体组织为90％以上。 Ni-bal。= Ni + 27C + 23 N + 0.2Mn + 0.3Cu-1.2（Cr + Mo）-0.5Si-0.3 Nb + 10（1）.;版权：（C）2016，JPO＆INPIT
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