Determine C value of 1.25 Cr 0.5 Mo, as it applies to Larson-Miller

[bradsr0138]

I am trying to determine the "C" value of 1.25 Cr 0.5 Mo steel as it applies to the Larson-Miller Parameter. Can anyone point me in the right direction. Thank you.

 

[metengr]

You want the short version?

C=20

Source; EPRI