Cr2化学成份:
碳 C :0.95~1.10
硅 Si:≤0.40
锰 Mn:≤0.40
硫 S :≤0.030
磷 P :≤0.030
铬 Cr:1.30~1.65
镍 Ni:允许残余含量≤0.25
铜 Cu:允许残余含量≤0.30
力学性能:
硬度 :退火,229~179HB,压痕直径4.0~4.5mm;淬火,≥62HRC
碳 C :0.95~1.10
硅 Si:≤0.40
锰 Mn:≤0.40
硫 S :≤0.030
磷 P :≤0.030
铬 Cr:1.30~1.65
镍 Ni:允许残余含量≤0.25
铜 Cu:允许残余含量≤0.30
力学性能:
硬度 :退火,229~179HB,压痕直径4.0~4.5mm;淬火,≥62HRC