Commonly used martensitic stainless steelMartensitic stainless steel is based on 12~18% chromium. The carbon content is adjusted according to needs, usually 0.1~0.4%. It is hard in texture. Its mechanical properties can be adjusted through heat treatment. It has good hardenability, magnetism and que

When it comes to choosing the right steel for a knife, there are many factors to consider, including hardness, toughness, corrosion resistance, edge retention, and cost. Two popular choices in the knife-making world are 420j2 and 420hc steel.