Chemical composition of copper alloys(%)                                                                                          

Click to Download: Copper & Copper Alloys Chemical Composition Standard Data Sheet (PDF)

Common Questions on Copper Alloy Chemical Compositions

Q: What is the purity level of Zero oxygen free copper (TU0) and Type 1 oxygen-free copper (TU1)?

A: Based on the copper series data, Zero oxygen free copper (TU0) maintains a high purity of 99.99% Cu+Ag, while Type 1 oxygen-free copper (TU1) has a purity level of 99.97%.

 Both materials feature extremely low impurity levels for specialized electronic and industrial applications.

Q: What are the main ingredients of Lead brass series like HPb59-1?

A: For HPb59-1, the main ingredients consist of 57-60% Copper (Cu) and 0.8-1.9% Lead (Pb), with Zinc (Zn) making up the margin.

The addition of lead significantly improves the machinability of the alloy.

Q: How does the copper content vary in ordinary brass series such as H62 and H90?

A: In the ordinary brass series, the copper content varies by grade: H62 contains 60.5-63.5% Cu, while H90 features a much higher copper content of 88-91%.

Higher copper content generally provides better corrosion resistance and ductility.

Q: What are the chemical specifications for B19 cupronickel (white copper)?

A: B19 cupronickel is characterized by a Nickel + Cobalt (Ni+Co) content of 18.0-20.0%.

It also includes approximately 0.5% Iron (Fe) and 0.5% Manganese (Mn) to enhance its mechanical properties and resistance to marine environments.

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