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产品规格:DIA 40-150MM
产品硬度: 规格(SIZES) 表面(SURFACE) 中心(CORE)
DIA 40-60 MM HRC60-64 HRC59-63
DIA 70-80 MM HRC60-64 HRC58-62
DIA 90-100 MM HRC60-64 HRC57-61
DIA 110-140 MM HRC55-60 HRC52-58
化学成分:
C: 0.72-0.82 Si:0.17-0.37
Mn:0.7-0.8 P: 0.035 MAX
S: 0.035MAX Cr:0.28-0.60