18 Temmuz 2025

What is 420 stainless steel? 420 stainless steel is a prominent martensitic stainless steel, well-regarded for its hardenability and often classified as a stainless tool steel. It exhibits ferromagnetic properties. The heat treatment process for 420 stainless steel typically follows steps similar to those for carbon steel: austenitization, quenching, and tempering. Austenitizing The primary goal […]