UNS C72420 Copper Nickel Chemical Properties, Grade, Chart and PDF Online

UNS C72420 is a copper-nickel alloy which are capable to resist corrosion well and also have highthermal conductivity. Copper accounts for approximately 70% of impurity, nickel 29%, and small elements such as iron and manganese. This alloy particularly stands to deliver exceptional performance in marine conditions by shielding against seawater corrosion and biofouling. It is used in pipes for seawater, closed cooling and condensation. C72420 is present the good mechanical characteristics, with the high level of strength and toughness. It pass on being described as a synthetic material whose chemical composition and mechanical properties are compliant with ASTM standards. In addition, the author highlights the ability of nanotechnology to enhance the current status of biomedical equipment. Engineers and designers usually appreciate the fact that it delivers perfect performance when other things go wrong, including bad weather conditions. Downloadable PDF documents containing in-depth properties, grades, and charts for chemical UNS C72420 are available from reliable sites.

UNS C72420 Copper Chemical Composition And Grade Table

UNS C72420 is one of the leading brands of alloys in the market, which provide outstanding resistance to corrosion and thermal conductivity. Through its chemical formulation the material often includes copper (Cu), zinc (Zn), tin (Sn), and lead (Pb). The grade tables enable mixing of specific composition ratios, so that it can deliver the desirable quality in various applications through consistency. It is utilized in industries like electrical equipment, marine gear and architectural applications as the best material because of the improved conductivity and durability. The high precision of UNS C72420 copper alloy, combined with its grade table, increases job performance rate in arduous field.

UNS C72420 Copper Composition Table
Elements Cu Pb Sn Zn Fe P Ni Al C Cr Mg Mn S Si
Min (%) - - - - 0.7 - 13.5 1.0 - - - 3.5 - -
Max (%) Rem 0.02 0.10 0.20 1.2 0.01 16.5 2.0 0.05 0.50 0.05 5.5 0.15 0.15

The Advantages and Disadvantages of UNS C72420 Copper Material Properties, C72420 Properties


  • High Thermal Conductivity: UNS C72420 copper is widely used in applications where the heat conduction is important because of the high conductivity of this material.

  • Corrosion Resistance: This copper alloy has excellent anti-corrosive characteristics, and it is convenient for the use in conditions of salt and air, and other corrosive elements.

  • Machinability: UNS C72420 is easy machineable material which allows for simple fabrication and machining into complicated shapes.

  • Electrical Conductivity: Copper alloy which has high electrical conductivity is suitable for electrical and electronic devices which require efficient conduction.

  • Antimicrobial Properties: Copper alloy such as UNS C72420 have a unique antibacterial capability, which makes them fit for germ resistant areas like health care.


  • Cost: Copper alloys and especially UNS C72420 might be more expensive than other metals, which may increase production costs.

  • Softness: Softness of copper can be useful in some applications, but for the others that require greater strength or wear resistance, it can be a disadvantage.

  • Susceptibility to Galling: The UNS C72420 copper alloys are susceptible to galling, a type of wear that develops when two surfaces slide against each other.

  • Limited Compatibility: Copper-alloys might not be resistant to certain environments and materials therefore their application is limited within such areas.

  • Oxidation: Copper alloys are susceptible to oxidation which in time leads to the surface discoloration and can affect the performance critically if not properly protected.

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Frequently Asked Questions

What is the chemical composition of Grade C72420 of Copper Nickel?

UNS C72420 is a nickel-copper alloy that is typically around 70 copper, 30 nickel, and micro amounts of other elements such as iron and manganese.

What mechanical properties UNS C72420 Copper Nickel has?

The mechanical properties of UNS C72420 Copper Nickel consist of the combination of high tensile strength, good ductility, and amazing resistance to corrosion, erosion, and biofouling.

What are the common applications of UNS C72420 Copper Nickel?

UNS C72420 Copper Nickel is widely used in marine engineering, shipbuilding, offshore structures, heat exchangers and condensers since it has both corrosion resistance and durability.

Where can I get a detailed information including graphs and PDF files about UNS C72420 Copper Nickel?

Information for the copper nickel found in UNS C72420 can be found in technical datasheets from manufacturers or in materials databases, e.g. chemical composition, mechanical properties, and applicable standards.