NIMONIC alloys that are available commercially are NIMONIC 75. NIMONIC 90, NIMONIC 100, NIMONIC 80A, 81, 86, NIMONIC 90, NIMONIC PE11 and 16. The NIMONIC alloy 75 is an 80/20 nickel-chromium alloy containing titanium and carbon as additives. This alloy was first introduced for use as turbine blades during the 1940s. It is readily fabricated and welded. This alloy exhibits good corrosion resistance, mechanical properties and heat resistance. Some of the standard forms in which this alloy is available are extruded section, hexagon flats, pipe, plate, strip and wire.