Copper UNS C12210

May 14 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Fabrication
Applications

Introduction

Copper and its alloys have been used for centuries. Copper can be distinguished by its reddish-orange color. The UNS numbers C10100 to C13000 indicate pure copper. Pure copper is soft and malleable, and is used in several applications requiring high electrical and thermal conductivity.

The following datasheet discusses the chemical composition and properties of copper UNS C12210.

Chemical Composition

The chemical composition of copper UNS C12210 is given in the following table.

Element Content (%)
Copper, Cu + Silver, Ag 99.9
Phosphorous, P 0.015-0.025

Physical Properties

The following table discusses the physical properties of copper UNS C12210.

Properties Metric Imperial
Density 8.9 g/cm³ 0.323 lb/in³

Mechanical Properties

The mechanical properties of UNS C12210 copper tube (OS025-temper) are tabulated below.

Properties Metric Imperial
Tensile strength 234 MPa 34 ksi
Yield strength 76 MPa 11 ksi
Elongation 45% 45%
Shear strength 159 MPa 23 ksi
Rockwell, F 45 45

Fabrication

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Machinability - of copper UNS C12210 alloy is rated at 20.

Welding - Soldering, brazing, and gas shielded arc welding techniques are the most preferred techniques for welding this alloy; however oxyacetylene welding and butt welding can also be performed. Coated metal arc welding, seam welding, and spot welding is not recommended.

Forging - The hot forging temperature for copper UNS C12210 alloy ranges between 760 and 871ºC (1400 and 1600ºF). The hot forgeability rating of this alloy is 65.

Hot and cold working – This alloy has excellent hot and cold working abilities.

Annealing - Copper UNS C12210 alloy is annealed at temperatures ranging from 371 and 648ºC (700 and 1200ºF).

Applications

Copper UNS C12210 finds application in:

  • Vacuum seals
  • Microwave tubes
  • Transistor components
  • Glass-to-metal seals
  • Coaxial cables

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