:1000 :800 600 650 C 400 730°C 200 925°C 815℃ 100 80 60 40 20 4 10-3 102 10 110 02 103104 105 Rupture lifetime (h) : Reprinted with permission of ASM International. All rights reserved. www.asminternational.org Figure 8.31 Stress (logarithmic scale) versus rupture lifetime (logarithmic scale) for an S-590 alloy at four temperatures. [The composition : (in wt%) of S-590 is as follows: 20.0 Cr, 19.4 Ni, 19.3 Co, 4.0 W, | :4.0 Nb, 3.8 Mo, 1.35 Mn, 0.43 C, and the balance Fe.]
