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Ensinger PEI

MAR-M918 Cobalt Alloy
Categories: Metal; Superalloy; Cobalt Base

Material Notes: High-temperature sheets

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Mechanical PropertiesMetricEnglishComments
Rupture Strength  17.2 MPa
@Temperature 1090 °C,
Time 360000 sec
2500 psi
@Temperature 2000 °F,
Time 100 hour
 22.1 MPa
@Temperature 982 °C,
Time 3.60e+6 sec
3200 psi
@Temperature 1800 °F,
Time 1000 hour
 41.4 MPa
@Temperature 982 °C,
Time 360000 sec
6000 psi
@Temperature 1800 °F,
Time 100 hour
 138 MPa
@Temperature 816 °C,
Time 3.60e+6 sec
20000 psi
@Temperature 1500 °F,
Time 1000 hour
 207 MPa
@Temperature 816 °C,
Time 360000 sec
30000 psi
@Temperature 1500 °F,
Time 100 hour
 462 MPa
@Temperature 649 °C,
Time 360000 sec
67000 psi
@Temperature 1200 °F,
Time 100 hour
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.050 %0.050 %
Chromium, Cr 20 %20 %
Cobalt, Co <= 51.45 %<= 51.45 %Balance
Iron, Fe <= 0.50 %<= 0.50 %
Manganese, Mn <= 0.20 %<= 0.20 %
Nickel, Ni 20 %20 %
Silicon, Si <= 0.20 %<= 0.20 %
Tantalum, Ta 7.5 %7.5 %
Zirconium, Zr 0.10 %0.10 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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