Nominal Composition
Ni - 50 - 55 %, Cr 11 -14 %, CU- 8- 10 %, MN - 13 - 16 % , SI Al Fe ( rest 6 % )
Properties & Advantages
1	It is beryllium free alloy with excellent castability.
2	It is reusable with addition of appx 50% fresh metal during recasting.
3	It can be cast in open flame.
4	It has got good burnish ability and is easy to finish.
5	It can be used for making cast crown bridge and pontics and frames for hard resin crowns.
6	It can be cast at the moment ingots have melted attributed to excellent fluidity.
7	Removal of oxide layers formed during castings is not necessary for the metal oxides that are formed are lighter in density and remain behind during centrifugal casting.