| Date | January/February 2004 |
| Volume | 10 |
| Issue | 1 |
| Return to Journal Index | |
January/February 2004 Inspectioneering Journal Article Index
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January/February 2004 Inspectioneering JournalBy John Reynolds at IntertekCasting defects are an age old problem for our industry that seems to be getting worse as foundries in the older industrialized world shutdown for economic reasons.
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Partner ContentTEAM provides full inline, onsite and, shop valve repair services and maintenance programs for virtually all valve types, brands, sizes, materials, pressures, and operating conditions, including actuators and operators. Our valve repair solution is...
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January/February 2004 Inspectioneering Journal
DMW cracking is another fabrication issue that can and does result in equipment failure. It usually occurs at the weld juncture where carbon steel or low alloy steels are welded to austenitic (300 series) stainless steels in high temperature...
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January/February 2004 Inspectioneering Journal
When we specify that some equipment (vessels, flanges, fittings, etc.) be overlaid with a corrosion resistant alloy, we need to pay attention to making sure that the chemistry of the top layer of alloy welding, that will be exposed directly to...
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January/February 2004 Inspectioneering JournalBy John Reynolds at Intertek
Inadequate PWHT is one of our pressure equipment nemeses. We normally specify PWHT for a variety of pressure equipment integrity reasons including when we need to lower residual stresses, increase resistance to cracking or soften weld hardness. All...
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January/February 2004 Inspectioneering JournalBy John Reynolds at Intertek
Repair welds can be another undetected and insidious "fabrication defect" that eventually results in equipment failure. Any experienced metallurgist that has completed numerous failure analyses over the years will tell you that periodically they see...
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January/February 2004 Inspectioneering JournalBy John Reynolds at Intertek
Speaking of stress raisers, they are another insidious type of flaw that can and do lead to equipment failures. Stress raisers (aka stress intensification sites) can be mechanical or metallurgical notches. Undercutting, physical weld flaws,...
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January/February 2004 Inspectioneering JournalBy John Reynolds at Intertek
Cracks along the toe of a weld are not uncommon during fabrication, and can occur for a wide variety of reasons involving the metallurgy and process control of the the same issues covered above on repair welds can apply to repair welds on...
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January/February 2004 Inspectioneering JournalBy Dan Quinn at In TANK Services, Inc.
Storage tank owners can reap large financial benefits by shifting from a reactive tank repair strategy to a proactive inspection and maintenance program. In reaction to well publicized tank failures in the 80's and the development of API 653...
