Introduction
The X155CrVMo12-1 is a Swedish stainless steel designed primarily for tool manufacturing and production. This stainless steel was created by modifying existing steel grades and combining them in order for their desired properties to be achieved. It is an austenitic stainless steel, meaning that it is non-magnetic and highly corrosion resistant. In addition to its corrosion resistance, the X155CrVMo12-1 steel is also high temperature and wear resistant which makes it ideal for a variety of industrial applications.
Characteristics
The X155CrVMo12-1 stainless steel is an austenitic stainless steel. It contains 18% Chromium, 14% Nickel, and 0.35% Molybdenum, with a carbon content of 0.4%. This combination of alloy components creates a steel that is highly corrosion resistant and has a high level of temperature resistance. The carbon content is low enough so that the steel is not brittle, but is rigid enough to retain its structural integrity at high temperatures. The Molybdenum addition further increases the steels’ strength and its ability to resist corrosion.
Applications
The X155CrVMo12-1 stainless steel is primarily used for tooling applications, specifically for industrial and manufacturing purposes. Its high resistance to corrosion, temperature, and wear make it ideal for these types of applications. Applications where the steel is used include molds, dies, punches, cutting tools, and other mechanical tools. It is also used in the fabrication of valves and piping that come into contact with acids or alkalis. Other applications include medical equipment, kitchen and food equipment, and petrochemical equipment.
Welding and Cutting
The X155CrVMo12-1 stainless steel is best welded using a shielded arc process, such as gas metal arc welding, and it is not ideally suited to oxy-fuel cutting. The steel is also vulnerable to the heat-affected zones when welding or cutting, so directional and pulse welding, and pre-rounding of the corners can be used to get the best performance from this material.
Heat Treatment
The X155CrVMo12-1 stainless steel can be subjected to a solution heat treatment at temperatures up to 1100 °C, and an aging treatment at temps above 900 °C, but not above 930 °C. This heat treatment increases the strength and wear resistance of the steel.
Conclusion
The X155CrVMo12-1 stainless steel is an austenitic stainless steel designed specifically for industrial and manufacturing uses. It has a high level of corrosion and temperature resistance in addition to its high wear resistance. It is best used in tooling applications and has a low carbon content so that it is not brittle but has the right level of rigidity to retain its structural integrity. It is welded using a shielded arc process and can be subjected to a heat treatment and aging treatment to increase its strength and wear properties.
