1.27661.27671.27791.27821.27861.27871.28261.28381.28851.28861.2888X45CoCrMoV5-5-3X20CrMo131.28891.4120)(高速工具钢:S12-1-4-5S10-4-3-10S6-5-2-5S6-5-2-5SS7-4-2-5S2-10-1-8S2-9-2-8S18-1-2-5S18-1-2-15S18-1-2-10S12-1-4S12-1-2S3-3-2SC6-5-2SS6-5-2SS6-5-2S6-5-3S2-9-1S2-9-2S18-0-11.32021.32071.32431.32451.32461.32471.32491.32551.32571.32651.33021.33181.33331.33401.33411.33421.33431.33441.33461.33481.3355)(硬质合金:S1S2S25S3S4S5M1M2H3H2H1G1G2G3G4G5G6))