Additive technology is a valuable process for medical implant manufacturing. The most common metallic material in this area is the Ti6Al4V alloy. The research aimed to learn the implant material behaviour in saltwater environments. During the sodium chloride test, material quantity and quality loss need to be evaluated. The corrosion resistance tests were performed with a 3% concentration of NaCl solution at 36°C, with a duration of 4, 8, 12, and 16 days. The weight loss quality is determined by the test sample weight measuring before and after the tests. The NaCl solution was also tested to characterize the most relevant quality element, which was retrieved from the implant material during the test. The quality of the lost element is determined by metal ion concentration as determined by an inductively coupled plasma–optical emission spectroscope (ICP). Based on the experimental results, it can be declared that the weight loss increased as a function of time, and the measurable element was the aluminium in the NaCl solution. The chemical component of aluminium can cause many diseases and health problems. It should be stated that the additive Ti6Al4V implant material without surface treatment is not recommended.
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