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MMPDS-01<br />

31 January 2003<br />

100<br />

Strength at temperature<br />

Exposure up to 1000 hr<br />

Percentage of Room Temperature Ftu<br />

80<br />

60<br />

40<br />

20<br />

1/2 hr<br />

10 hr<br />

100 hr<br />

1000 hr<br />

0<br />

0 200 400 600 800 1000 1200 1400 1600<br />

Temperature, °F<br />

Figure 2.4.1.1.1(a). Effect of temperature on the ultimate tensile strength (F tu<br />

) of 5Cr-<br />

Mo-V aircraft <strong>steel</strong>.<br />

100<br />

Strength at temperature<br />

Exposure up to 1000 hr<br />

Percentage of Room Temperature F ty<br />

80<br />

60<br />

40<br />

20<br />

1/2 hr<br />

10 hr<br />

100 hr<br />

1000 hr<br />

0<br />

0 200 400 600 800 1000 1200 1400 1600<br />

Temperature, °F<br />

Figure 2.4.1.1.1(b). Effect of temperature on the tensile yield strength (F ty<br />

) of 5Cr-Mo-V<br />

aircraft <strong>steel</strong>.<br />

2-70

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