Which metal is more likely to withstand corrosion in a mixed fitting scenario?

Brass is the metal most likely to withstand corrosion in a mixed fitting scenario due to its unique properties. Brass is an alloy primarily made of copper and zinc, and it has excellent resistance to corrosion, especially in environments that may involve contact with moisture or various chemicals.

One key factor contributing to brass's corrosion resistance is its ability to form a protective oxide layer when exposed to air or moisture. This layer acts as a barrier, preventing further corrosion of the underlying metal. Additionally, brass tends to exhibit better compatibility with a variety of metals, which minimizes galvanic corrosion that can occur when different metals are in contact with each other.

In mixed metal fittings, it's essential to select materials that can coexist without causing rapid degradation. While steel, aluminum, and copper each have their advantages, they are generally more susceptible to corrosion when used in mixed environments, especially where moisture and other corrosive agents are present. Therefore, brass is often preferred in plumbing and fitting scenarios because of its durability and long-term performance in these conditions.