b'Figure 1. Ring Hoop Tension (RHT) test train installed in the remote load frame in the HFEF hot cells. The left side of the figure shows a RHT sample milled in cell before testing.programs on ATF. Reactor power,The PIE efforts were focused on the coolant inlet and outlet temperatures,testing of ATF-2 cladding. Hydrogen coolant pressure and coolantcontent measurements were flow rates are monitored in-situ.conducted on the ATF-2 baseline Individual test pin power historiesZr-4 material showing negligible H are evaluated on a cycle-by-cyclepick-up at low burnup, as expected basis and published along with coreat the irradiation conditions in power so that correlations can bethe Loop 2A. Mechanical testing made. All data is recorded and storedcapabilities for ring hoop tension in an NQA-1 compliant database.(RHT) and axial tube tension 2021|AFC ACCOMPLISHMENTS 27'