Reunderstand and Discuss the Hardness Limits of RCC-M M5110 Part Materials

Yu-sheng Shen, Fang-zhong Li, Wen-sheng Ma, Zhou Jie, Xing-ying Zhao, Li-jun Yan
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Abstract

: RCC-M M5110 is the procurement code for rolling or forging bars for bolts and drive rods of class 1, 2 and 3 equipment of nuclear power plants. The individual high strength steels involved in this specification specify only the minimum hardness of the material and have no limit on the maximum hardness. The material selection of major components of nuclear power machinery equipment must meet the requirements of load bearing and safe operation
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重新认识和讨论RCC-M M5110零件材料的硬度极限
: RCC-M M5110是核电站1、2、3类设备用螺栓和驱动杆用轧制或锻造棒材的采购规范。本规范中涉及的各个高强度钢仅规定了材料的最低硬度,对最大硬度没有限制。核电机械设备主要部件的选材必须满足承载和安全运行的要求
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