Application of 0Cr15Ni6MoCuNb (Custom 450)

Introduction

Custom 450 is a precipitation-hardenable steel, possessing a combination of high strength and excellent corrosion resistance. It is mainly used in tools and components operating in elevated temperature and corroding environments, such as petrochemical and power plant applications, but it also finds use in aircraft and aerospace components.

Background

Custom 450, would grow to become a standard and widely accepted material for a variety of applications. With its balance of high strength, good formability and excellent corrosion resistance, Custom 450 found use in many applications. Custom 450 is a martensitic stainless steel alloy composed of 15.5% chromium, 6.0% nickel, and 0.3% molybdenum. At its core, the alloy’s composition provides adequate corrosion resistance in an unusually tough steel.

Physical Properties

The alloy has excellent resistance to oxidation, scaling and sulfidation under temperatures up to 1250°F. Its precision cast solidification makes Custom 450 more easily machinable in high temperature condition with superior micro-structure. Custom 450 also has good working elasticity desirable for use in turbine blades, compressor and center shafts.

Chemical Properties

Custom 450 is nonmagnetic and highly resistant to corrosion by organic and inorganic chemicals, sea-water, and mild industrial atmospheres. The alloy exhibits good general corrosion resistance, excellent stress-corrosion cracking resistance and superior weldability.

Uses

The combination of properties in Custom 450 make it a great choice for many applications. Its unique combination of high strength, good ductility and oxidation resistance over a wide range of temperatures make it a material of choice in many applications that require superior corrosion-resistance.

Custom 450 finds applications in petrochemical and power plant environments, aircraft and aerospace components and surgical instruments, where the corrosion resistance, high temperature strength and ductility is valued. Other applications include shafts, spindles, axles, fasteners, springs, nuclear seals and press forms.

Conclusion

Custom 450 is a precipitation-hardenable stainless steel alloy composed of 15.5% chromium, 6.0% nickel and 0.3% molybdenum that offers a combination of high strength, good formability and excellent corrosion resistance. It is used for tools and components operating in corrosive, elevated temperature environments, such as those seen in petrochemical and power plants - but it also has a wide variety of other applications. It can easily machinable in high temperature condition, and provides superior micro-structure and good general corrosion resistance. Custom 450’s balance of high temperature strength, good ductility and oxidation resistance makes it a material of choice in many critical applications.

Custom 450 is a type of stainless steel alloy that offers superior corrosion resistance and superior heat resistance, making it an idea choice for many applications. It is popular in different industries such as aerospace engineering, military and medical, as well as oil and gas drilling.

This alloy is made up of a combination of iron, chromium, nickel, molybdenum, copper and niobium, providing superior strength and toughness. Due to its excellent resistance to both corrosion and heat, Custom 450 is often found in components that come into contact with extreme temperatures such as turbine blades and exhaust components. It is also used in applications that require a degree of high resistance to corrosion and oxidation, such as diesel and gasoline engine components, valves and pump parts, as well as marine fixtures.

Custom 450 has been used extensively in the petrochemical industry for components that come into contact with highly corrosive environments, such as oil and gas pipelines, drill string components and valve balls, due to its increased resistance to pitting, crevice and stress corrosion cracking. This alloys’ heat-resistance, combined with its high strength make it an ideal choice for components used in high-temperature services, such as headers, turbine blades and nuclear reactor components.

Custom 450 is known for its ability to maintain its strength while maintaining favorable oxidation and corrosion resistance, as well as its ability to hold its shape and tolerate high temperatures. As a result, it is often used in extreme conditions such as jet engines and high-temperature industrial processes. Thanks to its unique properties, Custom 450 is one of the most popular stainless steel alloys and is a favored choice for many engineering applications.