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Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...

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Final <strong>Report</strong> – 813 8385 1<br />

Metallurgical Analysis <strong>of</strong> 24-Inch Houstonia 200 Service <strong>Failure</strong> at MP 21.6 (8/25/08)<br />

Page 23<br />

Distance from U/S girth weld (in)<br />

6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0<br />

0.000<br />

0% wt<br />

0.050<br />

25% wt<br />

Flaw depth (inches)<br />

0.100<br />

0.150<br />

0.200<br />

50% wt<br />

75% wt<br />

0.250<br />

0.281 nominal<br />

Flaw Pr<strong>of</strong>ile One<br />

Flaw Pr<strong>of</strong>ile Two<br />

100% wall<br />

thickness<br />

(wt)<br />

Figure 16.<br />

Flaw depth vs. length pr<strong>of</strong>ile <strong>of</strong> the measured flaws.<br />

CC TECHNOLOGIES, INC.

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