Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...
Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...
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 10<br />
Table 7.<br />
Results <strong>of</strong> chemical analysis <strong>of</strong> a pipe steel sample<br />
from Pipe Segment A2 (failure joint) by optical<br />
emission spectroscopy (OES) removed from the joint<br />
that ruptured.<br />
Base Metal<br />
Element<br />
(Wt. %)<br />
C (Carbon) 0.287<br />
Mn (Manganese) 1.07<br />
P (Phosphorus) 0.011<br />
S (Sulfur) 0.029<br />
Si (Silicon) 0.008<br />
Cu (Copper) 0.023<br />
Sn (Tin) 0.002<br />
Ni (Nickel) 0.014<br />
Cr (Chromium) 0.015<br />
Mo (Molybdenum) 0.000<br />
Al (Aluminum) 0.002<br />
V (Vanadium) 0.001<br />
Nb (Niobium) 0.002<br />
Zr (Zirconium) 0.001<br />
Ti (Titanium) 0.001<br />
B (Boron) 0.0002<br />
Ca (Calcium) 0.0000<br />
Co (Cobalt) 0.003<br />
Fe (Iron) Balance<br />
Carbon Equivalent (CE IIW ) 0.47<br />
CC TECHNOLOGIES, INC.
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