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文中叙及的是一种低碳铌钒微合金化铸钢的研究,主要说明的是热处理工艺;稀土一硅钙变质处理;钢的组织对钢的性能的影响.结果表明,该钢的优点是具有高强韧性及良好的焊接性能,因而很有应用潜力.
The article deals with the research of a low-carbon niobium-vanadium microalloyed cast steel, mainly illustrating the heat treatment process, the modification of the rare earth-calcium silicate and the influence of the microstructure of the steel on the properties of the steel.The results show that the advantages of the steel Is a high strength and toughness and good welding performance, which has great potential applications.