Fossil Plant Services

Boiler Tubing Assessments

Dissimilar Metal Welds (DMW) / WaterwallBoiler tubing assessments that characterize tube condition and predict future serviceability are the cornerstone of boiler tube failure reduction programs from Structural Integrity Associates, Inc. (SI). Experienced SI engineering staff are well-prepared to tackle any tubing assessment projects, including evaluations of waterwall tubes with such waterside corrosion issues as hydrogen damage, caustic gouging, corrosion fatigue cracking, and flow-accelerated corrosion; creep damage evaluations of superheater and reheater tubing operating at elevated temperatures; evaluations of superheater and reheater dissimilar metal welds for creep fatigue, oxide notching, and carbide coarsening; and examination of hard-to-reach areas of low-temperature superheater and reheater sections for internal wall loss due to corrosion pitting, or external wastage caused by soot blower erosion, fly ash erosion, or abrasion.

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