steel - Nouvelle page 1 - Free
steel - Nouvelle page 1 - Free
steel - Nouvelle page 1 - Free
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MMPDS-01<br />
31 January 2003<br />
200<br />
200-ksi level<br />
180-ksi level<br />
150<br />
140-ksi level<br />
Stress, ksi<br />
100<br />
50<br />
TYPICAL<br />
0<br />
0 2 4 6 8 10 12<br />
Strain, 0.001 in./in.<br />
Figure 2.3.1.3.6(a). Typical tensile stress-strain curves at room temperature for heattreated<br />
AISI 4340 alloy <strong>steel</strong> (all products).<br />
300<br />
250<br />
Longitudinal<br />
1/2-hr exposure<br />
-312 °F<br />
-110 °F<br />
RT<br />
200<br />
Stress, ksi<br />
150<br />
100<br />
50<br />
Ramberg-Osgood<br />
n (RT) = 7.0<br />
n (-110 °F) = 8.2<br />
n (-312 °F) = 8.9<br />
TYPICAL<br />
0<br />
0 2 4 6 8 10 12<br />
Strain, 0.001 in./in.<br />
Figure 2.3.1.3.6(b). Typical tensile stress-strain curves at cryogenic and room<br />
temperature for AISI 4340 alloy <strong>steel</strong> bar, F tu = 260 ksi.<br />
2-39