NIMONIC alloy 263 is an air melted nickel-base alloy, it was developed to provide a sheet material which could be readily fabricated and would offer improved ductility in welded assemblies to replace NIMONIC alloy 80A.
Nimonic 263/UNS 07263/W.Nr. 2.4650
Chemical Composioin
Nickel: 50-60%
Cr: 19-21%
Co: 19-21%
Mo: 5.6-6.1%
Ti: 1.9-2.4%
Fe: 0.7% Max
Mn: 0.6% Max
Density: 8.4g/cm³