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60Si2Mn钢是制作各种弹簧、板簧的重要材料,由于该钢经热处理又具有较高的强度,高抗压屈服强度,高疲劳极限和较好的韧性,以及淬火变形小等优点,也大量用来制作各种形状不很复杂,单位面积承受冲击力不很大的冷作模具。但是,用这类钢制作的模具经常规工艺淬火和低温回火,马氏体形态为细片状,虽有高硬度(HRC58~
60Si2Mn steel is an important material for making all kinds of springs and leaf springs. Since the steel is heat-treated and has high strength, high compressive yield strength, high fatigue limit, good toughness and small quenching deformation, a large number of Used to make a variety of shapes is not very complicated, the impact per unit area to withstand the impact of the cold die. However, the molds made of this type of steel are conventionally hardened and tempered at low temperatures and have a martensitic morphology in the form of fine flakes. Although high hardness (HRC58 ~