Commercially pure nickel with good mechanical properties and resistance to a range of corrosive media.
UNS # - N02200

Chemical Composition:

C - 0.015%
Cu - 0.25%
Fe - 0.40%
Mn - 0.35%
Ni - 99.0%
S - 0.010%
Si - 0.35%

A high purity grade of nickel made by powder metallurgy. It has a low base hardness and high ductility.
UNS # - N02270

Chemical Composition:

C - 0.02%
Co - 0.001%
Cr - 0.001%
Cu - 0.001%
Fe - 0.005%
Mg - 0.001%
Mn - 0.001%
Ni - 99.97%
S - 0.001%
Si - 0.001%
Ti - 0.001%

UNS # - N02205

Chemical Composition:

C - 0.15%
Cu - 0.15%
Fe - 0.20%
Mg - 0.01 - 0.08%
Mn - 0.35%
Ni - 99.0%
S - 0.008%
Si - 0.15%
Ti - 0.01 - 0.05%