Chemical composition (%) Nickel (plus Cobalt)....................................................70.00 min. Chromium...................................................................14.0-17.0 Iron..................................................................................5.0-9.0 Titanium.......................................................................2.25-2.75 Aluminum....................................................................0.40-1.00 Niobium (plus Tantalum)..............................................0.70-1.20 Manganese.................................................................1.00 max. Silicon.........................................................................0.50 max. Sulfur...........................................................................0.01 max. Copper........................................................................0.50 max. Carbon........................................................................0.08 max. Cobalt.........................................................................1.00 ma |