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HIGH CORROSION RESISTANCE HIGH STRENGTH STAINLESS STEEL, STRUCTURE IN ATOMIC FURNACE AND MANUFACTURING METHOD OF HIGH CORROSION RESISTANCE HIGH STRENGTH STAINLESS STEEL
HIGH CORROSION RESISTANCE HIGH STRENGTH STAINLESS STEEL, STRUCTURE IN ATOMIC FURNACE AND MANUFACTURING METHOD OF HIGH CORROSION RESISTANCE HIGH STRENGTH STAINLESS STEEL
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机译：高耐腐蚀高强度不锈钢，原子炉结构及高耐腐蚀高强度不锈钢的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a high corrosion resistance high strength stainless steel suppressing stress corrosion crack, irradiation induced stress corrosion crack, crevice corrosion and the like in circumstance of being exposed to neutron irradiation environment.SOLUTION: The high corrosion resistance high strength stainless steel is an austenite stainless steel and has a chemical composition consisting of C of 0.04 mass% or less, Mn of 1.0 to 2.0 mass%, N of 9.0 to 13.0 mass%, Cr of 17.0 to 20.0 mass%, Ta of 13 times as C and 0.50 to 0.65 mass%, and the balance Fe and Nb with inevitable impurities. It has an austenite average crystal grain size number defined in JIS G 0551 of 10.0 to 13.0.
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机译：解决的问题：提供一种高耐蚀性的高强度不锈钢，其在暴露于中子辐照环境下抑制应力腐蚀开裂，辐照引起的应力腐蚀裂纹，缝隙腐蚀等。解决方案：高耐蚀性高强度不锈钢钢是奥氏体不锈钢，化学组成为0.04质量％以下的C，Mn为1.0〜2.0质量％，N为9.0〜13.0质量％，Cr为17.0〜20.0质量％，Ta为13倍。 C为0.50〜0.65质量％，余量的Fe和Nb具有不可避免的杂质。 JIS G 0551规定的奥氏体平均结晶粒径为10.0〜13.0。
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