De-Oxidized Low Phosphorus Copper Alloy (UNS C14410)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties


Copper is one of the most useful metals known to mankind. It is second only to silver in electrical conductivity and also exhibits high thermal conductivity. Copper and its alloys exhibit a high ultimate tensile strength mainly due to the various heat treatment methods that they are subjected to.

Copper alloy C14410 is a dilute tin copper alloy, containing phosphorus. It is referred to as de-oxidized low phosphorus copper alloy. It is available in the form of plates, coils and sheets. This alloy exhibits good resistance to industrial and atmospheric corrosion. It is also known to exhibit sanitary and antimicrobial properties.

This datasheet will elaborate on the chemical composition and properties of copper UNS C14410 alloy.

Chemical Composition

The chemical composition of copper alloy UNS C14410 is given in the following table.

Element Content (%)
Copper, Cu 99.9
Tin, Sn 0.1-0.2
Phosphorus, P 0.005-0.020

Physical Properties

The following table discusses the physical properties of copper alloy UNS C14410.

Properties Metric Imperial
Density 8.94 gm/cm3 0.322 lb/in3

Mechanical Properties

The mechanical properties of copper alloy UNS C14410 are tabulated below.

Properties Metric Imperial
Modulus of elasticity 120 GPa 17404 ksi


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Fabrication techniques like electroplating, hot tinning and soft soldering are best suited for this alloy.

Machinability: The machinability rating of this alloy is 20.

Welding Methods: Gas and arc welding methods are best suited for this alloy. Laser welding is also a suitable method. However, resistance welding is not recommended for this alloy.

Hot working - Copper UNS C14410 alloy has excellent hot working abilities.

Cold working - Ccopper UNS C14410 alloy has excellent cold working properties.

Annealing - The temperature range for soft annealing for this alloy is between 250 and 650 ºC.


Copper UNS C14410 is used in the following applications:

  • Automotive – switches and relays, contacts, connectors and terminals.
  • Electrical – switches and relays, connectors, contacts, semiconductor components, stamped parts and components for the electrical industry (including fuse boxes, connector pins, and capacitors).



  1. Pedro Pena Pedro Pena United States says:

    Could you help me to find out what RS & EH stand for

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