Yes, hard-anodized cookware can generally be used on induction cooktops. Induction cooktops work by using magnetic fields to directly heat the cookware, and hard-anodized aluminum pans are typically compatible with induction cooking.
Hard-anodized cookware is made from aluminum that has undergone an electrochemical process called anodization. This process creates a hard, non-reactive surface that makes the cookware durable, resistant to scratches, and provides excellent heat distribution. While aluminum itself is not magnetic and cannot be directly heated by an induction cooktop, the hard-anodized layer does not interfere with the magnetic properties necessary for induction cooking.
To check if your specific hard-anodized cookware is compatible with induction cooktops, you can use a magnet. If a magnet sticks to the bottom of the cookware, it indicates that it has a magnetic base and can be used on an induction cooktop. If the magnet does not stick, it means the cookware is not suitable for induction cooking.
Remember that the bottom surface of the cookware needs to have good contact with the induction cooktop's surface for efficient heating. Ensure that the cookware and the cooktop are clean and free from any debris or residue that could interfere with the magnetic connection and heat transfer.