Since 1984, David N. French Metallurgists has served as a consulting firm providing metallurgical analysis, expert testimony and educational seminars, specializing in the power industry.
The founder of DNFM, Dr. David N. French, is a pioneer in the industry. He served on several industry-related committees (ASME, EPRI, etc.), and wrote 2 editions of the comprehensive book "Metallurgical Failures in Fossil Fired Boilers" published by John Wiley & Sons Inc.
We have expanded our capability to not only analyze boiler tubing/piping, but also a wide variety of samples, including structural steel, pumps, impellers, bearings, fan blades, hardware, heat exchanger equipment, and much more.