What is the ranking order of nozzle materials from least to most durable?

The ranking order of nozzle materials from least to most durable begins with polymers, which are generally the least durable due to their susceptibility to wear and chemical degradation. Following that, brass provides a moderate level of durability, though it can corrode when exposed to certain chemicals over time.

Stainless steel is more robust compared to brass, offering better resistance to corrosion and wear, making it a preferred choice for applications that require enhanced durability. Finally, hardened stainless steel stands at the top of this ranking due to its increased hardness and resistance to wear and tear, making it significantly more durable than the other materials.

This progression highlights how the chemical and physical properties of these materials affect their longevity and effectiveness in various applications.