Which of the following is NOT a contributing factor to choosing corrosion-resistant alloys?

Choosing corrosion-resistant alloys involves multiple factors that ensure the selected materials can withstand specific conditions while meeting operational needs. Current market trends do not directly influence the intrinsic properties or suitability of an alloy for a particular application, which makes it a less relevant consideration when selecting materials based on their corrosion resistance.

In contrast, environmental conditions play a critical role, as different environments can accelerate corrosion processes, thus influencing the choice of alloy. Similarly, specific application requirements are fundamental because they dictate the mechanical properties, corrosion resistance, and other performance characteristics necessary for the application. Thermal stability is also crucial, as certain applications may expose materials to high temperatures that can affect their structural integrity and resistance to corrosion.

In summary, while market trends can impact the availability or popularity of certain alloys, they do not determine the alloy's inherent resistance to corrosion or suitability for specific applications; hence, they are not a contributing factor in the same way that the other listed factors are.