ThePipingMart Blog Grades Copper Alloy (UNS C14420) – Properties, Composition and Uses

Copper Alloy (UNS C14420) – Properties, Composition and Uses

Copper C14420

UNS C14420 is an extremely versatile metal alloy with a wide range of properties that make it suitable for a variety of applications. Its corrosion resistance, heat resistance, machinability, and weldability are just some of its key attributes. In this blog post, we will discuss the composition, mechanical properties, physical properties and uses of this metal alloy to give you a better understanding of what makes it so special.

UNS C14420 Composition

Copper (UNS C14420) is composed primarily of copper (95%), with the remaining 5% being made up of zinc, iron, manganese and phosphorus. The precise composition may vary slightly depending on the manufacturer. This alloy is designed to be easy to work with while still providing superior strength and durability.

Element Content (%)
Copper, Cu + Silver, Ag + Tin, Sn 99.90 min
Tellurium, Te 0.15

UNS C14420 Mechanical Properties

C14420 Alloy has excellent mechanical properties, such as high tensile strength (up to 600 MPa) and high yield strength (up to 300 MPa). It also has good fatigue strength (up to 350 MPa), which makes it ideal for applications where parts will be subject to repeated loading or vibration over time. Additionally, this alloy has good ductility, which allows it to be easily formed into complex shapes without compromising its structural integrity.

UNS C14420 Physical Properties

Alloy C14420 is a non-magnetic metal with low electrical conductivity (approximately 45% IACS) but high thermal conductivity (about 310 W/mK). It is also highly resistant to corrosion in most environments due to the presence of zinc in its composition, which forms an oxide layer on its surface when exposed to oxygen in the air. The material also has good heat resistance up to 600°C making it suitable for use in high-temperature applications. Finally, Copper C14420 can be easily machined using conventional methods as well as welded using standard welding techniques such as MIG or TIG welding.

Properties Metric Imperial
Density 8.9 g/cm3 0.323 lb/in3

UNS C14420 Equivalents

  • ASTM B152

UNS C14420 Uses

Due to its exceptional mechanical and physical properties, grade C14420 can be used for a variety of applications, including machine parts, gaskets, seals and piping systems in industries such as automotive manufacturing and oil refining. Additionally, this material can be used in electrical engineering applications due to its low electrical conductivity, making it suitable for use in transformers or other electrical components that require insulation from electric current flow or electromagnetic fields. Finally, Copper C14420 can also be used for decorative purposes due to its attractive aesthetic qualities when polished or treated properly with chemical coatings such as chromium plating or oxidation treatments like anodizing or blackening processes.

Corrosion Resistance

Grade C14420 offers unique corrosion resistance that is essential in many industrial applications. Its corrosion resistance comes from the combination of titanium, copper and nickel components, allowing for greater durability in difficult conditions. This metal alloy is ideal for use in water systems, electric circuitry and chemical reactions due to its ability to withstand corrosion caused by high levels of acidity, alkalinity and salt water. Its flexibility allows for easy installation in a variety of locations, making it a great choice for those looking for an affordable, reliable option that stands up to the harshest environments. Ultimately, Copper C14420’s corrosion resistance makes it an excellent choice for long-lasting, reliable performance.

Heat Resistance

Copper C14420 is a versatile material that is capable of withstanding extreme temperatures, granting it impressive heat resistance. This makes it ideal for many uses, from power plant operations to handling heated containers. It has a thermal conductivity coefficient that is higher than steel yet still offers superior strength in both hot and cold conditions. Apart from its impressive heat resistance, Copper C14420 also provides great chemical stability due to its low reactivity with other elements. This makes it the preferred solution for hazardous locations and sensitive applications, even in extreme temperatures.

Heat Treatment

The heat treatment of Copper C14420 is an interesting process that can transform it into a stronger, more durable material for any commercial or industrial application. Utilizing two types of heat treatment – homogenization and non-homogenization – Copper C14420 can be modified to become either directionally strengthened, more corrosion resistant, or both depending on the desired result. Further, by using various temperature cycles during the heat treatment process, the material’s mechanical properties are further improved. With Copper C14420 heat treatment, there are numerous benefits to be gained in a wide range of applications and industries.


Copper C14420 machining can be an attractive choice due to its strength and durability. The various advantages of this type of machining make it a great option for manufacturing parts and components for many different industries. This copper alloy is able to withstand high levels of stress, temperatures, and wear, which are common in modern industrial processes. Copper C14420 machining also does not corrode or erode easily and has excellent weldability for making joints between two dissimilar metals. Many companies turn to this method of machining due to its strength, malleability, and excellent thermal conductivity over stainless steel and aluminium alloys.


Copper C14420 welding is a powerful and efficient method used to join pieces of copper together reliably and securely. It is often used for industrial applications, providing a weld that is strong yet still flexible enough to endure vibrations and other forms of movement. Copper C14420 welding does require specialized knowledge, specific tools, and the right materials to be successful. However, with these resources, attendees can make long-lasting bonds in a short amount of time, despite the possible difficulties of acquiring the necessary supplies; this type of welding yields superior results and superior longevity.


Copper C14420 is an extremely versatile metal alloy with many desirable characteristics that make it suitable for a wide range of applications across many industries ranging from automotive manufacturing to electrical engineering. Its excellent mechanical properties, combined with good corrosion resistance and heat resistance, make it perfect for parts that must withstand extreme conditions while still maintaining their structural integrity over time. Furthermore, its ease of machining and weldability make it easy to work with while still providing superior results compared to other metal alloys available today. If you’re looking for an all-purpose metal alloy that will provide reliable performance under even the toughest conditions, then you should definitely consider Copper C14420!

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