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对GD钢和进口的DF-2钢进行了性能试验及组织分析,探讨了组织对性能的影响。研究表明,GD钢的主要性能优于DF-2钢,特别是韧性和热处理变形性,GD钢完全可取代DF-2钢。
The GD steel and the imported DF-2 steel were tested for their performance and their microstructure were analyzed. The effect of the structure on the performance was also discussed. Research shows that the main properties of GD steel is superior to DF-2 steel, especially the toughness and heat treatment deformability, GD steel can completely replace DF-2 steel.