GRADE 660 ROUND BAR

ASTM A453 Grade 660 (UNS S66286) round bar is an iron nickel chromium superalloy, precipitation hardened for exceptional high temperature performance. It provides excellent strength, creep, and oxidation resistance up to 700°C (1300°F). Ideal for critical fasteners, bolting, and components in the aerospace, power generation, and oil & gas industries across Classes A, B, C, and D.