Ni(%)           99.75

Co(%)         

Cu(%)         

Fe(%)          

C(%)            0.125      

S(%)             0.001  

O(%)            0.10      

松装密度Pas（g/cm3）                               1.95

振实密度Pt（g/cm3）                                  3.05

费氏粒度dvs（um）                                     4.39