Original
By certification 
Baoji Refractory Metal Developer Co.,Ltd is one of the leading China nickel machining manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale nickel machining products from us.
² Chemical Composition:
Grade |
Chief component % |
Impurities max % |
||||||||||||||||
Ni+Co |
Cu |
Si |
Mn |
C |
Mg |
S |
P |
Fe |
Pb |
Bi |
As |
Sb |
Zn |
Cd |
Sn |
Cr |
||
N4 |
99.9 |
0.015 |
0.03 |
0.002 |
0.01 |
0.01 |
0.001 |
0.001 |
0.04 |
0.001 |
0.001 |
0.001 |
0.001 |
0.005 |
0.001 |
0.001 |
||
N5 |
99.0 |
0.25 |
0.30 |
0.35 |
0.02 |
0.01 |
0.40 |
0.2 |
||||||||||
N6 |
99.5 |
0.10 |
0.10 |
0.05 |
0.10 |
0.10 |
0.005 |
0.002 |
0.10 |
0.002 |
0.002 |
0.002 |
0.002 |
0.007 |
0.002 |
0.002 |
||
N7 |
||||||||||||||||||
