An S-590 iron component (Figure provided) mus allowable stress level. T(20 + log t,)(°R-h) 25 30 35 40 45 50 x103 x103 ×10³ ×10³ x10³ x10³

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QUESTION 7
An S-590 iron component (Figure provided) must have a creep rupture lifetime of at least 20 days at 650°C (923 K). Compute the maximum
allowable stress level.
T(20 + log t,)(°R-h)
35
40
x103 ×103 x103 ×10³ ×103 x103
25
30
45
50
100,000
100
10,000
10
1,000
12
16
20
24
28
x103
x103
x103
x103
X103
T(20 + log t,)(K-h)
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Stress (psi)
Transcribed Image Text:QUESTION 7 An S-590 iron component (Figure provided) must have a creep rupture lifetime of at least 20 days at 650°C (923 K). Compute the maximum allowable stress level. T(20 + log t,)(°R-h) 35 40 x103 ×103 x103 ×10³ ×103 x103 25 30 45 50 100,000 100 10,000 10 1,000 12 16 20 24 28 x103 x103 x103 x103 X103 T(20 + log t,)(K-h) Attach File Browse My Computer Browse Content Collection Stress (MPa) Stress (psi)
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