Copper Alloy 120 (C12000)
Deoxidized, Low Phosphorus Copper (DLP)

Alloy C120 copper tubing is typically known for its high electrical conductivity and corrosion resistance. While not as pure as C101(99.99%) and C102(99.95%) alloys, it still offers excellent conductivity. The small amount of phosphorus improves its corrosion resistance. This alloy can be more cost effective than alloy C101 and C102 making it a good balance between cost and performance.

C120 Copper Alloy Designations

  • UNS Number: C12000
  • CDA Number: 120
  • EN Number: CW023A
  • EN Symbol: Cu-DLP
  • Wieland: K15

Chemical Composition:

  • Copper (Cu): 99.90%
  • Lead (Pb): 0.004 – 0.012%

Custom Engineered Shapes and Custom Fabricated Parts are available on request.

Available Forms:

  • Straight Lengths:
    • OD: 0.040″ to 2.625″
    • Wall Thickness: 0.004″ to 0.367″
    • Lengths: 0.125″ to 504″
  • Copper Coils:
    • OD: 0.040″ to 0.875″
    • Wall Thickness: 0.005″ to 0.090″

Coil Formats:

  • Bunch Coils:
    • OD: 0.040″ to 0.144″
  • Level-Wound Coils:
    • OD: 0.156″ to 0.875″
  • Pancake Coils:
    • OD: 0.125″ to 0.750″

Common Specifications

  • ASTM: B42, B68, B75, B88, B111, B188, B280, B360, B372, B447, B743
  • SAE: J528
  • Military Specification: MIL-T-24107B
  • JIS Standard: H3300

Industry Applications

Thermal Applications

  • Cooling systems
  • Heat-sink components
  • Chemical processing
  • Aerospace
  • Defense

Electrical Applications

  • Conductors
  • Connectors
  • Terminals
  • High-frequency RF components

Industrial Uses

  • Precision instrumentation

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