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CN107747063A 一种高强韧马氏体不锈钢 有权 转让

一种高强韧马氏体不锈钢
摘要：
一种高强韧马氏体不锈钢，该不锈钢所含成分的质量百分比为：C含量0.06-0.3％，Cr含量11-15％，Ni含量1.5-3％，P含量小于0.08％，S含量小于0.008％，O含量小于30ppm，余量为Fe和杂质。所述马氏体不锈钢具有耐腐蚀、高强度、高韧性、耐低温冲击的特点。克服了奥氏体不锈钢、铁素体不锈钢的强度不高的问题；克服了传统马氏体不锈钢韧性和低温性能差的问题；克服了双相不锈钢的高成本问题，克服了索氏体高强不锈结构钢的屈服强度一般小于800MPa，断裂强度低于1000MPa的不足。
摘要（英）：

The invention discloses martensite stainless steel with high strength and toughness. The stainless steel is prepared from the following components in percentage by mass: 0.06-0.3% of C, 11-15% of Cr,1.5-3% of Ni, less than 0.08% of P, less than 0.008% of S, less than 30 ppm of O and the balance of Fe and impurities. The martensite stainless steel has the characteristics of corrosion resistance, high strength, high toughness and low temperature impact resistance, overcomes the problem that martensite stainless steel and ferrite stainless steel are not high in strength, overcomes the problem that the conventional martensite stainless steel is poor in toughness and low-temperature performance, overcomes the high-cost problem of duplex stainless steel, and overcomes the defects that sorbite high-strength stainless structural steel has yield strength commonly smaller than 800 MPa, and breaking strength lower than 1000 MPa.

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