Copper UNS C16200

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Fabrication and Heat Treatment
     Machinability
     Welding
     Forging
     Hot Working
     Cold Working
     Annealing
Applications

Introduction

Pure copper has high electrical and thermal conductivity due to its alloying metals. The UNS numbers C10100 to C13000 denote commercially pure copper. Pure copper is corrosion resistant and exceptionally ductile. Different grades of unalloyed copper perform differently owing to the amount of impurities present in it. The following data sheet discusses the chemical composition, properties, heat treatment and applications of UNS C16200.

Chemical Composition

The following table shows the chemical composition of copper UNS C16200.

Element Content (%)
Cu 99.0
Cd 1.0

Physical Properties

The following table discusses the physical properties of copper UNS C16200.

Properties Metric Imperial
Density 8.89 g/cc 0.321 lb/in3
Melting point 1030ºC 1886ºF

Mechanical Properties

The mechanical properties of copper UNS C16200 are given in the following table.

Properties Metric Imperial
Tensile strength 241-689 MPa 35-100 ksi
Yield strength 48-476 MPa 7-69 ksi
Modulus of elasticity 117 GPa 17000 ksi
Poissons ratio 0.328 0.328
Shear modulus 44.1 GPa 6400 ksi

Other Designations

Equivalent designations to the copper UNS C16200 include the following.

AMS 4700 ASTM B173 ASTM B224 ASTM B3 ASTM B451 ASTM B641 MIL W-85
ASTM B1 ASTM B174 ASTM B246 ASTM B33 ASTM B470 ASTM B698 QQ B575
ASTM B111 ASTM B187 ASTM B272 ASTM B355 ASTM B48 ASTM B75 QQ B650
ASTM B133 ASTM B188 ASTM B280 ASTM B359 ASTM B49 ASTM F68 QQ W343
ASTM B152 ASTM B189 ASTM B286 ASTM B432 ASTM B496 MIL B-18907 UNS C10100
ASTM B172 ASTM B2 ASTM B298 ASTM B447 ASTM B640 MIL W-3318

Fabrication and Heat Treatment

Machinability

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The rate of machinability of the UNS C16200 is 20.

Welding

The preferred welding methods for Copper UNS C16200 are soldering, brazing, oxyacetylene welding, gas shielded arc welding and butt welding. Coated metal arc welding, spot welding and seam welding are not recommended for this alloy.

Forging

The forging temperature for copper UNS C16200 ranges between 760 and 871ºC (1400 and 1600ºF).

Hot Working

Copper UNS C16200 alloy have excellent hot working property.

Cold Working

Copper UNS C16200 alloys have good cold working property.

Annealing

UNS C12900 copper alloys are annealed at temperatures ranging from 371 and 648ºC (700 and 1200ºF).

Applications

UNS C12900 alloys find applications in:

  • Electrical and electronic conductors
  • Wave guides
  • Cavity resonators
  • Superconductor matrixes
  • Vacuum tube and solid-state devices
  • Glass-to-metal seals

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