UNS C35600 Copper Alloy Chemical Composition & Properties, Grades, Chart and Document

Copper alloy UNS C35600 is the best material by strength metrics and has an excellent corrosion resistance. Copper (Cu) being the primary one, there are other elements such as lead (Pb), zinc (Zn), and iron (Fe) which are also participated in building its mechanical properties. The combination of these two elements in the environment of marine engineering, plumbing, and electric appliances usually results in excellent machinability and heat transfer properties. Its dominant attribute in terms of resilience to stress and wearing out that ranks it potentially the best in these stressful and severely blocked environments, justifies its use. It conforms to the industry standards in terms of performance and quality hence ensuring continual quality and performance. The complete chart enumerating its chemical properties and composition simplifies the challenge of material selection and application, which is based upon the informed decision-making. Documentation accessible is a resourceful guide for learners on main features and processing instructions of the material that maximizes its usefulness.

UNS C35600 Copper Alloy Chemical Composition And Grade Table

Unlike C35600, an alloy of brass containing 4% lead, has a reputation of good working machinability and corrosion resistance. Its chemical constitution is usually a mixture of copper (Cu) with significant additions of zinc (Zn) and lead (Pb). A C35600 alloy, which has a nominal make-up of roughly 65% Cu, 33% Zn, and 2% Pb, is a good pick for precision cut products in various industries like plumbing fittings, valves and electrical components as it offers better machinability. In addition to the thermal properties, its mechanical properties are also increased by the heat treatment processes. C35600 is in the B455 standard of ASTM for its material properties and wear resistance.

UNS C35600 Copper Alloy Composition Table
Elements Cu Pb Zn Fe
Min (%) 60.0 2 - -
Max (%) 63.0 3 Balance 0.15

The Advantages and Disadvantages of UNS C35600 Copper Material Properties, C35600 Properties


  • High Strength: UNS C35600 copper alloy is stronger than traditional copper based alloys and so can be used for applications requiring improved mechanical properties.

  • Excellent Machinability: It has a great machinability which helps in the production of various shapes and forms which are very useful in manufacturing of intricate components.

  • Good Corrosion Resistance: C35600 copper alloy does well in resisting corrosion which is necessary for applications where exposure to moisture or corrosive substances is a factor, e.g. marine sector.

  • Versatility: As this alloy is versatile, it can be utilized in multiple areas of the engineering world because of the combination of mechanical properties, corrosion resistance and electrical conductivity.

  • Wear Resistance: It has a good wear resistance which makes it suitable for applications that are subjected to friction and wear like bearings, gears and bushings.


  • Lower Electrical Conductivity: Copper alloy UNS C35600 has poorer conductivity than pure copper which may make it not suitable for some of the electrical applications that require a high conductivity.

  • Cost: The price of UNS C35600 copper alloy could be higher than traditional copper alloys because of its mechanical properties with alloying elements which increase the cost of manufacturing.

  • Limited Weldability: It might not be weldable as some other copper alloys which can be a problem in fabrication processes that require welding.

  • Sensitivity to Environmental Factors: While this copper alloy gives a good result against corrosion, it may also be vulnerable when faced with harsh environmental factors, such as high temperatures, aggressive chemicals, and exposure to certain atmospheres, which thus require regular maintenance and protection.

  • Availability of Raw Materials: The availability of raw materials for UNS C35600 copper alloy may show some variability depending on location and demand, especially for unique or custom applications, which may sometimes result in supply chain problems.

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Frequently Asked Questions

What is UNS C35600 copper alloy made of chemically?

UNS C35600 is a high-strength copper alloy mainly consisting of copper (Cu), zinc (Zn), and iron (Fe), with small amounts of other elements like aluminum (Al), manganese (Mn), and silicon (Si). Typical composition ranges are: N-56. 0-60: 0%, Zn – 34. 0-38. 0% of Fe, 0-3. 17%, Al - 99% 0.05max.Mn-0. 05% max. Si - 0. 08% max.

What are the characteristics of the UNS C35600 copper alloy?

UNS C35600 alloy has the good machinability, high strength, fair corrosion resistance, and moderate conductivity. It is appropriate for different applications that require both mechanical and electrical properties, for example, electrical connectors, plumbing fixtures, and marine hardware.

What do the different grades in UNS C35600 copper alloy mean?

UNS C35600 is very popular and is commercially available in different grades like C35600-TB00 (as-cast), C35600-TF00 (as-forged), and C35600-TQ00 (as-quenched). These grades may have a small difference in mechanical properties and microstructure due to the differences in processing.

What are the standard applications of UNS C35600?

UNS C35600 is often employed in various industries for applications including pump parts, valve bodies, gears, bushings, fittings, and marine hardware. Its strength, corrosion resistance, and machinability make it a versatile material for both mechanical and electrical applications.