80Cr20Si2Ni(S48380)具有较好的抗氧化性和抗燃气腐蚀性,用作以耐磨性为主的进气阀、排气阀、阀座等。
80Cr20Si2Ni(S48380)化学成分
(C) 碳:0.75-0.85
(Si) 硅:1.75-2.25
(Mn) 锰:0.20-0.60
(P) 磷:≤0.030
(S) 硫:≤0.030
(Cr) 铬:19.0-20.50
Ni镍:1.15-1.65
80Cr20Si2Ni(S48380)力学性能
屈服强度≥685
抗拉强度≥885
伸长率≥10
断面收缩率≥15
冲击吸收功≥8
80Cr20Si2Ni(S48380)硬度
HBW≥262