Equivalent designations UNS N08020 Form ASTM Rod, bar and wire B 473 Plate, sheet and strip A 240, A 480, B 463, B 906 Seamless pipe and tube B 729, B 829 Welded pipe B 464, B 775 Welded tube B 468, B 751 Welding fitting B 366 Forged or rolled pipe flange and forged fitting B 462 Billet and bar for reforging B 472 Chemical composition % Fe Ni Cr Cu Mo C Mn Si P S Nb+Ta min balance 32.0 19.0 3.0 2.0 8*C max 38.0 21.0 4.0 3.0 0.07 2.00 1.00 0.045 0.035 1.00 Physical properties Density 8.08 g/cm3 Melting range 1357-1430℃ Features: Incoloy 020 has excellent resistance in chemicals containing sulfuric acid, and has good resistance to environments containing chlorides, phosphoric acid and nitric acid. It contains niobium for stabilization against sensitization and resultant intergranular corrosion. It also has good mechanical properties and fabricability. Applications: Chemical, food, pharmaceutical and plastics industries, heat exchangers, mixing tanks, pickling equipment, synthetic rubber manufacturing equipment, pumps, valves and piping.