Copper Alloy 260 (C26000)
Cartridge Brass, 70/30 Tubing

Alloy C260 tubing, also known as Cartridge Brass, is a copper-zinc alloy with a bright yellow color, and like other brass alloys it has excellent corrosion resistance. It is commonly used in architectural, automotive, and industrial applications due to its balance of strength, ductility and aesthetic appeal.

C260 Copper Alloy Designations

  • UNS Number: C26000
  • CDA Number: 260
  • EN Number: CW505L
  • EN Symbol: CuZn30
  • Wieland: M30

Chemical Composition:

  • Copper (Cu): 68.50 – 71.50%
  • Iron max (Fe): 0.05%
  • Lead max (Pb): 0.07%
  • Zinc (Zn): 30%

For more alloy information: C26000 Copper Development Association Inc.

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

Forms Available:

  • Straight Lengths:
    • OD: 0.093″ to 2.625″
    • Wall Thickness: 0.010″ to 0.250″
    • Lengths: 0.125″ to 504″

Equivalent Standards

  • ASTM: B135
  • MILITARY: MIL-T-20219D
  • DIN: 17660
  • EN: 12451
  • JIS Standard: H3300
  • Please reach out if you have a specific material specification you need us to review.

Industry Applications

Fluid & Gas Lines

  • Medical
  • Oil and gas
  • Distillery
  • Hydraulic
  • Refrigeration
  • Automotive

Thermal Applications

  • Cooling systems
  • Heat exchangers
  • Chemical processing
  • Aerospace
  • Defense

Architectural

  • Railing,
  • Trim
  • Lighting
  • Decorative elements

HVAC

  • Heat exchanger
  • Condensers
  • Connectors (u-bends & fittings)

Musical Instruments

Ammunition Casings

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