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文中先从理论上探讨了20Cr1Mo1VNbTiB钢形成粗晶结构的原因,而后在实践不同热处理方式中摸索出消除该种钢粗晶的方法
In this paper, the reason of coarse grain structure of 20Cr1Mo1VNbTiB steel was first discussed theoretically, and then the method of eliminating the coarse grain of this kind of steel was explored in the practice of different heat treatment methods