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Life Assessment

In the normal service life of a Superheater, failure usually occurs by a creep or stress-rupture mechanism. DNFM is able to evaluate remaining tube life of your superheater or reheater tubes.
Life assessment includes the following engineering services:
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Microstructural characterization
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Dimensional and hardness measurements
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Estimation of operating temperature and design temperature
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Calculation of operating stresses
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Larson-Miller parameter (LMP) evaluation and Plotting the operating stresses and LMP on pre-defined curves.
For tube sampling guidelines click here.