What is a key advantage of using high-speed steel (HSS) in milling?

The choice that highlights a key advantage of using high-speed steel (HSS) in milling is that it offers good wear resistance at a lower cost. HSS is designed to retain its hardness and cutting ability when subjected to high temperatures generated during the milling process, making it suitable for various applications. This wear resistance means that HSS tools can maintain their cutting edges longer than some other materials, leading to reduced replacement frequency and overall cost-effectiveness in milling operations.

While HSS might not be as hard or wear-resistant as carbide, which is often favored for its superior properties in high-performance situations, the balance of performance and cost makes HSS an attractive option, especially for milling operations that do not require the extreme capabilities of more expensive materials.