I can provide general information based on what I've been trained on up to my understanding in 2023.
Le Creuset is known for producing high-quality and durable cookware, and many users report that their Le Creuset pieces last for decades with proper care. The longevity of Le Creuset cookware largely depends on factors such as how often it is used, the cooking techniques employed, and how well it is maintained.
With its enamel-coated cast iron construction, Le Creuset cookware is designed to distribute heat evenly and retain heat effectively. The enamel coating also makes it resistant to staining and odors and prevents metal interaction with the food.
With proper use and maintenance, it is not uncommon for Le Creuset cookware to last 20, 30, or even more years. Some users have inherited their Le Creuset pieces from previous generations, which is a testament to the brand's durability and quality.
To extend the lifespan of Le Creuset cookware, it is essential to follow the manufacturer's care and use instructions. Avoid extreme temperature changes, do not use metal utensils that could scratch the enamel, and hand wash the cookware with mild dish soap to preserve its longevity.
Keep in mind that while Le Creuset cookware is built to last, individual experiences may vary based on usage patterns and care.