Udimet 520 Hexagon Bar

A precipitation hardenable nickel-base super-alloy with an exceptional combination of high temperature mechanical properties, corrosion resistance and forgeability characteristics. Developed for use in the 1400–1700°F (760–927°C) temperature range, the alloy has excellent structural stability and unusually good fabricability. Primary application is blading for aircraft and land-based gas turbines.STANDARD PRODUCT FORMSForging bar.MAJOR SPECIFICATIONSPDS 15125A1LIMITING CHEMICAL COMPOSITION, %LimitingC .......0.02 – 0.06Cr ......18.0 – 20.0Co .....11.0 – 14.0Mo .........5.5 – 7.0Ti ........2.9 – 3.25Al ...........1.8 – 2.3W ...........0.8 – 1.2B ...0.004 – 0.010Ni ............BalancePHYSICAL CONSTANTS AND THERMAL PROPERTIESDensity, Ib/in3........................................................................0.297g/cm3.........................................................................8.21Melting Range, °F...................................................2300 –2560°C ...................................................1260– 1405TYPICAL MECHANICAL PROPERTIES