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MMPDS-01<br />

31 January 2003<br />

200<br />

180<br />

Strength at temperature<br />

Exposure up to 1/2 hr<br />

160<br />

Percentage of<br />

room Temperature Strength<br />

140<br />

120<br />

100<br />

80<br />

60<br />

Fty<br />

Fty<br />

Ftu<br />

40<br />

20<br />

0<br />

-400 -200 0 200 400 600 800 1000 1200<br />

Temperature, F<br />

Figure 2.3.1.1.1. Effect of temperature on the tensile ultimate strength (F tu<br />

) and<br />

tensile yield strength (F ty<br />

) of AISI low-alloy <strong>steel</strong>s (all products).<br />

2-27

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