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Machinability and Hardness of C11000 Copper

Exploring the Machinability and Hardness of C11000 Copper

C11000 copper is an alloy made up of 99.9% pure copper and a small amount of zinc, oxygen, and phosphorus. This type of copper has great machinability and hardness properties, making it a popular choice for applications with high conductivity and strength. Let’s take a closer look at the machinability and hardness of C11000 copper.

C11000 Copper Machinability

C11000 copper has excellent machinability properties. It can be drilled, sawed, punched, tapped, milled, and reamed easily with minimal tool wear. This makes it ideal for creating complex parts in short production cycles that require tight tolerance levels. Additionally, C11000 copper is easy to weld with minimal distortion or cracking during forming processes.

C11000 Copper Hardness

The hardness of C11000 copper is measured on the Brinell scale (HB). HB ratings range from 0-100; the higher the number, the harder the material. The HB rating for C11000 copper ranges from 40-45 depending on its age and number of heat treatments it has endured. Despite this lower rating than other metals like steel—which range from 110-140—the hardness of C11000 copper is still enough to stand up to most applications where load bearing is necessary.


C11000 copper is an incredibly versatile metal used in countless engineering projects across multiple industries due to its high electrical conductivity and formability properties. Its relatively low hardness rating ensures that it can be worked more quickly than harder materials like steel without sacrificing any strength or durability in the finished product. Whether you need something soft enough to form into complex shapes or hard enough to bear heavy loads, C11000 copper should certainly be at the top of your list!

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