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一、16MnR钢的开发和研究概况16MnR钢是在低合金钢16Mn基础上研制成功的容器用钢。自1981年《压力容器安全监察规程》以及JB741—80《钢制焊接压力容器技术条件》颁布后,执行了“停止以16Mn代16MnR”的规定,因此16MnR钢目前已大量应用于压力容器制造,而且我国自行设计制造的大型球罐也采用了该钢种。但由于16MnR钢制造质量不稳定,产生一些问题,主要表现在S、P含量较高,C、Mn偏析严重,带来强度达不到设计要
First, the development and research 16MnR steel Overview 16MnR steel is developed based on the low-alloy steel 16Mn container steel. Since 1981 “pressure vessel safety supervision regulations” and JB741-80 “steel welding pressure vessel technical conditions” promulgated, the implementation of the “stop 16Mn generation 16MnR ” requirements, 16MnR steel is now widely used in pressure vessels Manufacture, and China’s own design and manufacture of large spherical tanks also used the steel. However, the quality of 16MnR steel manufacturing instability, resulting in some problems, mainly in the S, P content is high, C, Mn segregation serious, bringing the intensity of less than the design