Copper Stamping: Advantages, Application, Grades

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Copper stamping offers advantages like excellent conductivity, malleability, and corrosion resistance. These properties make it indispensable in sectors ranging from electronics to aerospace. Understanding its applications and the various grades available is crucial for optimal utilization in precision metal fabrication.

With my years of experience in precision stamping and metal fabrication, I’m here to guide you through the intricacies of copper stamping. Let’s delve into its benefits, diverse applications, and the different grades that cater to specific needs.

copper stamping

What Are the Key Advantages of Copper Stamping in Precision Metal Fabrication?

Unmatched Electrical Conductivity

Copper’s electrical conductivity is a game-changer. In precision stamping parts, especially for electronics, this translates to superior performance and reliability. Copper conducts electricity more efficiently than most other metals, making it ideal for high-performance electrical components. 

Malleability and Ductility

Copper is malleable and ductile, allowing it to be easily shaped into complex designs without losing strength or integrity. This flexibility is critical in manufacturing parts that require precise dimensions and intricate patterns. It’s a metal that bends but doesn’t easily break, which is vital in our work. 

Corrosion Resistance

Copper’s resistance to corrosion is a significant advantage, particularly in harsh environments. This quality ensures the longevity and durability of the components, making copper an excellent choice for outdoor or demanding industrial applications. Its ability to withstand various elements without deteriorating is why it’s a preferred material in many of our projects. 

Thermal Conductivity

Copper’s excellent thermal conductivity is essential for applications requiring efficient heat dissipation. In industries like automotive and aerospace, where managing heat is crucial, copper stamping parts play a critical role. This property is especially beneficial in cooling systems and heat exchangers. 


Despite its many benefits, copper remains cost-effective. It offers an outstanding balance between performance and cost, especially when considering its durability and the potential for recycling. This makes copper an economically smart choice for a wide range of applications. Analyze copper’s cost-effectiveness.

How Is Copper Stamping Applied Across Different Industries?

Electronics Industry

Copper’s superior electrical conductivity makes it ideal for producing components like circuit boards, connectors, and switches. These components ensure efficient power distribution and signal transmission in electronic devices. From consumer electronics to industrial control systems, copper parts are integral to the functionality and reliability of these devices.

Aerospace and Aviation

copper electrical parts

Copper stamping is used to create parts that can withstand extreme temperatures and conditions. Its thermal conductivity and resistance to corrosion are beneficial for components like electrical connectors, cooling systems, and various engine parts. 

Automotive Industry

Copper’s conductivity is essential for efficient power distribution in EVs. Components like battery connectors, motor parts, and wiring harnesses are typically made using copper stamping, ensuring high performance and durability. 

Medical Equipment

Copper stamping is used to manufacture components for various medical devices, including surgical instruments and diagnostic equipment. Copper’s antimicrobial properties also add an extra layer of safety in medical environments. 

Energy Sector

They play a crucial role in energy transmission and storage solutions, ensuring the efficiency and longevity of these green energy systems. 

What Are the Different Grades of Copper Used in Stamping and Their Specific Properties?

copper strip

Electrolytic Tough Pitch (ETP) Copper – C11000

ETP Copper, also known as C11000, is widely used due to its high electrical conductivity, about 101% IACS (International Annealed Copper Standard). It’s ideal for electrical applications, such as connectors and circuit breakers. This grade is also known for its excellent flexibility, making it suitable for complex stamping requirements. 

Oxygen-Free High Conductivity (OFHC) Copper – C10100

C10100, or OFHC Copper, is known for its purity and exceptional conductivity, making it perfect for high-tech applications like semiconductor manufacturing and superconductors. Its oxygen-free nature minimizes the risk of embrittlement when heated, which is essential in applications involving high temperatures. 

Phosphor Bronze – C51000

While not pure copper, Phosphor Bronze (C51000) is an alloy with a small amount of phosphorus and tin. It’s renowned for its corrosion resistance, fatigue resistance, and resilience, making it ideal for springs, connectors, and electrical contacts, especially in corrosive environments.

Beryllium Copper – C17200

Beryllium Copper (C17200) is another alloy prized for its high strength and hardness while maintaining good electrical conductivity. This grade is often used in aerospace, oil and gas, and automotive industries for components requiring high durability and stress resistance. It’s beneficial for non-sparking tools in explosive environments. 

Tellurium Copper – C14500

C14500, or Tellurium Copper, is known for its excellent machinability. It’s often used in applications requiring intricate machining, such as in custom electrical components. While its conductivity is slightly lower than pure copper, its ease of machining makes it a popular choice for detailed work. 

Copper GradeKey PropertiesCommon Applications
ETP Copper – C11000High electrical conductivity (101% IACS), excellent ductilityElectrical connectors, circuit breakers
OFHC Copper – C10100High purity, exceptional electrical conductivity, oxygen-freeSemiconductor manufacturing, superconductors
Phosphor Bronze – C51000Corrosion resistance, fatigue resistance, good resilienceSprings, connectors, electrical contacts
Beryllium Copper – C17200High strength and hardness, good electrical conductivityAerospace, oil and gas, non-sparking tools
Tellurium Copper – C14500Excellent machinability, good for detailed machiningCustom electrical components


Are you looking for a reliable partner to supply precision copper stamped parts? Look no further than Chengli Hardware. Our commitment to quality, combined with our deep understanding of copper’s various grades and applications, positions us uniquely to provide custom solutions tailored to your specific needs.

At Chengli Hardware, we’re not just suppliers; we’re your partners in innovation. Let us help you achieve the precision and quality you deserve. Reach out today and take the first step towards a successful collaboration.

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