Which material is classified as a nonferrous, nonmagnetic metal without hysteresis heating?

Aluminum is classified as a nonferrous, nonmagnetic metal that does not exhibit hysteresis heating. Nonferrous materials are those that do not contain significant amounts of iron, making them immune to certain magnetic effects and corrosion, which is a characteristic feature of metals like steel and iron. Additionally, aluminum's nonmagnetic nature ensures that it does not respond to magnetic fields, which is important in applications where interference from magnetic fields must be minimized.

In the context of hysteresis heating, this phenomenon occurs in magnetic materials when they are subjected to a changing magnetic field, leading to energy loss in the form of heat. Aluminum, being nonmagnetic, does not experience hysteresis heating, making it suitable for a variety of electrical and electronic applications where efficiency and heat management are critical. This is the reason why aluminum stands out among the choices provided.