4CrW2Si化学成份:
碳 C :0.35~0.45
硅 Si:0.80~1.10
锰 Mn:≤0.40
硫 S :≤0.030
磷 P :≤0.030
铬 Cr:1.00~1.30
镍 Ni:允许残余含量≤0.25
铜 Cu:允许残余含量≤0.30
钨 W :2.00~2.50
力学性能:
硬度 :退火,217~179HB,压痕直径4.1~4.5mm;淬火,≥53HRC
碳 C :0.35~0.45
硅 Si:0.80~1.10
锰 Mn:≤0.40
硫 S :≤0.030
磷 P :≤0.030
铬 Cr:1.00~1.30
镍 Ni:允许残余含量≤0.25
铜 Cu:允许残余含量≤0.30
钨 W :2.00~2.50
力学性能:
硬度 :退火,217~179HB,压痕直径4.1~4.5mm;淬火,≥53HRC