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Stress corrosion cracking caused by tension developed in an unsuitably welded reinforcement collar A close-up of the surface of a steel pipeline showing stress corrosion cracking (two clusters of small black lines) revealed by magnetic particle inspection. Cracks which would normally have been invisible are detectable due to the magnetic ...
March 4 – A 32-inch gas transmission pipeline, north of Natchitoches, Louisiana, belonging to the Tennessee Gas Pipeline exploded and burned from stress corrosion cracking (SCC), killing 17 people. At least nine others were injured, and seven homes 450 feet from the rupture were destroyed.
No indications of cracking appear in this picture; the only marks are the "footprints" of the magnetic yoke and drip marks. A close-up of the surface of a (different) pipeline showing indications of stress corrosion cracking (two clusters of small black lines) revealed by MPI. Cracks that would normally have been invisible are detectable due to ...
Emergency responders evacuated 100 people and Texas DOT closed Highway 285 for 5 miles east and west until the isolated segment was blown down. Investigation found a longitudinal split about 55 feet long in the pipe. The metallurgical report found that the cause was high ph stress corrosion cracking. The pipe was manufactured in 1947. [40]
2002: On April 14, a rupture occurred on the 914-millimetre-diameter natural gas transmission pipeline, at a zone of near-neutral (low) pH stress corrosion cracking, on Line 100-3of the TransCanada PipeLines, at main-line valve 31-3 + 5.539 kilometres, approximately two kilometres from the village of Brookdale, Manitoba. Following the rupture ...
A gas pipeline ruptured and burned, near Geary, Oklahoma. [83] June 9 – A 30-inch Transcontinental Pipeline gas transmission pipeline failed and gas ignited near Bealeton, Virginia from hydrogen stress cracking. Failure alarms at the nearest upstream gas compressor station did not activate, and the pipeline failure was first noticed by a ...
A common form of crevice failure occurs due to stress corrosion cracking, where a crack or cracks develop from the base of the crevice where the stress concentration is greatest. This was the root cause of the fall of the Silver Bridge over the Ohio River , in 1967 in West Virginia , where a single critical crack only about 3 mm long suddenly ...
About 300 gallons spilled. The cause of the leakage was stress corrosion cracking. [146] [147] [148] May 4 – A petroleum products pipeline failed near El Dorado, Kansas, spilling about 78,000 gallons of diesel fuel, of which about 46,000 gallons were lost. The pipeline failed from external corrosion. [149] [57]
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