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Rulon Bearings

Special Metals UDIMET® alloy 520 Superalloy
Categories: Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes: UDIMET® alloy 520 is a precipitation-hardenable nickel base superalloy 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. The primary application for alloy 520 is blading for aircraft and land-based gas turbines.

Information Provided by Special Metals Corporation
Key Words: PDS 15125A1
Vendors: Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494.

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Physical PropertiesMetricEnglishComments
Density 8.21 g/cc0.297 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break  350 MPa
@Temperature 950 °C		50800 psi
@Temperature 1740 °F
 1150 MPa
@Temperature 700 °C		167000 psi
@Temperature 1290 °F
 1250 MPa
@Temperature 400 °C		181000 psi
@Temperature 752 °F
 1300 MPa
@Temperature 50.0 °C		189000 psi
@Temperature 122 °F
Tensile Strength, Yield  500 MPa
@Strain 0.2 %,
Temperature 850 °C		72500 psi
@Strain 0.2 %,
Temperature 1560 °F
 700 MPa
@Strain 0.2 %,
Temperature 700 °C		102000 psi
@Strain 0.2 %,
Temperature 1290 °F
 850 MPa
@Strain 0.2 %,
Temperature 50.0 °C		123000 psi
@Strain 0.2 %,
Temperature 122 °F
 850 MPa
@Strain 0.2 %,
Temperature 400 °C		123000 psi
@Strain 0.2 %,
Temperature 752 °F
Elongation at Break  100 %
@Temperature 50.0 °C		100 %
@Temperature 122 °F
 100 %
@Temperature 400 °C		100 %
@Temperature 752 °F
 100 %
@Temperature 700 °C		100 %
@Temperature 1290 °F
Rupture Strength  150 MPa
@Temperature 871 °C,
Time 3.60e+6 sec		21800 psi
@Temperature 1600 °F,
Time 1000 hour
 230 MPa
@Temperature 816 °C,
Time 3.60e+6 sec		33400 psi
@Temperature 1500 °F,
Time 1000 hour
 345 MPa
@Temperature 760 °C,
Time 3.60e+6 sec		50000 psi
@Temperature 1400 °F,
Time 1000 hour
 475 MPa
@Temperature 704 °C,
Time 3.60e+6 sec		68900 psi
@Temperature 1300 °F,
Time 1000 hour
 585 MPa
@Temperature 649 °C,
Time 3.60e+6 sec		84800 psi
@Temperature 1200 °F,
Time 1000 hour
 
Thermal PropertiesMetricEnglishComments
Melting Point 1260 - 1405 °C2300 - 2561 °F
Solidus 1260 °C2300 °F
Liquidus 1405 °C2561 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 1.8 - 2.3 %1.8 - 2.3 %
Boron, B 0.0040 - 0.010 %0.0040 - 0.010 %
Carbon, C 0.020 - 0.060 %0.020 - 0.060 %
Chromium, Cr 18 - 20 %18 - 20 %
Cobalt, Co 11 - 14 %11 - 14 %
Molybdenum, Mo 5.5 - 7.0 %5.5 - 7.0 %
Nickel, Ni 52.18 - 59.976 %52.18 - 59.976 %Balance
Titanium, Ti 2.9 - 3.25 %2.9 - 3.25 %
Tungsten, W 0.80 - 1.2 %0.80 - 1.2 %

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NINDA18 / 98909

Aluminum Castings




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