化学成分:Cr:19.0-23.0Ni:30.0-35.0C0.10Si:≤1.00Mn:≤1.50P:≤0.030S:≤0.015Fe:余 NCF800物理性能:溶化温度范围:1350~1400℃比热容:455J/(kg·℃)密度:8.0 g/cm3