Abstract:A 3-million gallon petroleum storage tank was fabricated in the Midwest using A516 steel. The initial fabrication schedule had become compressed; welders worked hurriedly and did not produce good welds. Numerous welds had to be repaired via grinding and rewelding. The quality of the steel near the welds were questioned regarding their ductility; it was thought that the material had become embrittled and would fail prematurely in a catastrophic manner and be more susceptible to poor performance during the winte… Show more
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