Stainless Steel Rectangle Bar CPM S35VN is a high-alloy powder metallurgy tool steel containing high amounts of vanadium, niobium, and chromium, giving it excellent wear resistance, toughness, and corrosion resistance. This air-hardening martensitic stainless steel is well-suited for applications requiring high hardness and edge retention, such as knives, cutting tools, tooling, and wear components. Its combination of properties makes it a premium material choice for demanding industrial and consumer applications.