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X-Ray diffraction   is a conventional and time proven technique for measuring   residual stresses. Including  the interatomic  spacing  as  the  ultimate  gage  length,   X-ray technique  is applicable to measure  the absolute  stress for all crystalline materials  without  the  need  of  unstressed sample  for  calibration.

With experience in researching and manufacturing X-ray Stress Analyzer for more than 20 years and know-how in residual stress analysis, Handan Stress Technologies Co.,Ltd of China is honored to present X-350A X-Ray Stress Analyzer , a patented product in China. For example, invited by Ertan Hydroelectric Station of China, we performed welding residual stress measurement against leaves of francis turbines, a product from GE Hydro company. The results was accepted by GE and subsequently used by GE in engineering quality control programs.

In addition to measuring residual stresses, x-ray diffraction can also be used for measuring retained austenite content in steels. Austenite  is  a  phase  of  steel  and    is  critical   to  component   lifetime  and  performance,   especially  in high-tolerance components  such  as  bearings  and  gears. By the use of a particularly designed goniometer, the X-350A X-Ray Diffraction System is convenient to measure retained austenite content in steels especially.