Archive for the “Utilities and Boilers” Category

High Temperature Oxidation Failure Of Aluminized Steel Heater Tubes Summary: Two aluminized heater tubes were received for analysis to investigate the cause of failure. Unused tube material also was supplied for comparison. Results indicate that the tubes failed via hot oxidation corrosion at extreme temperatures. Both the heater tube material and processes appear normal. The […]

  Failure Analysis of Failed Inconel Condenser Tube Metallurgical Failure Analysis – Forensic Engineering Metallurgical failure analysis provided by MTi can help minimize and eliminate the extreme effects of unexpected down time in the power industry. We specialize in rapid response with prompt report turnaround. When the root cause of the metal product failure is […]

Analysis of T11 Boiler Superheater Tube Rupture SUMMARY: Metallurgical Technologies, Inc. examined a failed superheater tube from XXXXXX X XXX Boiler #7. The ASME SA-213 Grade T11 tube had been in service for 6 to 8 years until failure. The mode of failure was short-term stress rupture due to significant overheating. The microstructure and oxide […]