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给出了 60 Si2 Mn弹簧钢等温回火和分级淬火、亚温淬火及高温回火、形变热处理的工艺方法。使用该方法能有效地提高 60 Si2 Mn弹簧钢的强韧性和使用寿命
The technological process of 60 Si2 Mn spring steel isothermal tempering and graded quenching, sub-temperature quenching and high temperature tempering and deformation heat treatment are given. The method can effectively improve the toughness and service life of 60 Si2 Mn spring steel