ASTM / ASME SB 472 Hastelloy C-276 UNS N10276 Nickel Alloy 926 Incoloy 926 UNS N08926 Nickel Alloy 31 UNS N08031 Nickel Alloy 20 UNS N08020 Nickel Alloy C-22 Hastelloy C-22 UNS N06022 Nickel 600 Inconel 600 UNS N06600