Material selection is crucial for corrosion prevention because different materials exhibit varying degrees of resistance to corrosive environments. Selecting the right material ensures compatibility with the chemical or environmental conditions it will face, minimizing the risk of corrosion-related damage. Using materials that are prone to corrosion can lead to costly failures, downtime, and potential safety hazards. Furthermore, the correct selection can extend the lifespan of products, reduce maintenance costs, and improve overall performance. By considering factors such as material composition, environmental exposure, and stress conditions, engineers can effectively mitigate corrosion risks.