Martensitic stainless steel 2Cr13 is a martensitic stainless steel that contains a high amount of chromium, which provides it with superior corrosion resistance compared to other types of stainless steel. It is typically used in applications where good corrosion resistance is a must, such as cutlery and medical instruments.
Martensitic stainless steel has a higher carbon content than austenitic stainless steel, which makes it hardenable by heat treatment. 2Cr13 is a popular grade of martensitic stainless steel and is widely used in the manufacturing of cutlery and other products due to its corrosion resistance and strength.
2Cr13 has a number of advantageous properties, including excellent corrosion resistance, good formability, good strength and ductility, and excellent wear resistance. It is much harder than austenitic stainless steel, and can be strengthened by cold-working operations.
The composition of 2Cr13 is:
• Carbon: 0.16–0.25%
• Manganese: 1%
• Silicon: 0.75%
• Chromium: 12–14%
• Molybdenum: 0.5–1.5%
• Nickel: Negligible
• Phosphorus: 0.04%
• Sulfur: 0.03%
The corrosion resistance of 2Cr13 is excellent in neutral and alkaline solutions, but fairly poor in acidic solutions. The low nickel content of the steel means that it is particularly susceptible to oxidation. A protective coating is often applied to protect it from corrosion.
2Cr13 has excellent strength, exceeding that of many other stainless steels, and is well suited to high-strength applications. It is considered a more economical option than many other stainless alloys and is often used as a replacement for higher cost alloys in many industrial applications.
2Cr13 has similar wear resistance to other stainless alloys and can be hardened with heat treatment. It is often used for applications in the food and medical industries due to its non-toxic nature and corrosion resistant properties.
Martensitic stainless steel 2Cr13 is an economically viable and highly corrosion resistant stainless steel alloy that can be used for a variety of industrial applications. Its low nickel content means it is not as expensive as other stainless alloys and its good strength and ductility make it suitable for use in a variety of manufacturing processes. It has excellent corrosion resistance and can be hardened with heat treatment for improved wear resistance.