Cupronickel 75-25, UNS C71300 Copper Coinage Alloy

CuNi20 (B19) C71000 Copper Nickel Alloy Strip, Copper Tube C71000 suppliers

Exporter of C71000 copper bus bar rod, C71000 Copper Nickel Sheet and C71000 Copper Nickel Plate supplier

Cupronickel 75-25 Tube


Cupronickel 75-25 Tube

C71000 Copper Nickel Alloy Strip


C71000 Copper Nickel Alloy Strip

ASME SB466 CuNi UNS C71000 Seamless Pipe


ASME SB466 CuNi UNS C71000 Seamless Pipe

Best price of c71000 copper nickel round bar and ASME SB466 CuNi UNS C71000 Seamless Pipe & Distiller Tubes

Cupronickel 75-25 is a Non-Marine Alloys. Its also known as 75-25 Copper-Nickel and UNS C71300 Copper Coinage Alloy.

Non-Marine Alloys
75-25 Copper-NickelUNS C71300

Cupronickel Materials
MaterialsAlloy number SMUNS
CuNi25067C71300

Aluminium Bronzes
MaterialsAlloy number SMUNS
CuAI8083-
CuAI6Ni2085C61550
CuAl5Zn5Sn1/Nordic Gold086-
CuNi6Al2088-

Nickel Brass Materials
MaterialsAlloy number SMUNS
CuZn20Ni1025-
CuZn20Ni2225-
CuZn15Ni5325-
CuZn20Ni5525-
CuZn24.5Ni5.5625-
CuZn25Ni5825-

Nickel Silver
MaterialsAlloy number SMUNS
CuNi12Zn29073C76200
CuNi12Zn24074C75700
CuNi10Zn25374C74500
CuNi15Zn20075C75400
CuNi18Zn20076C76400
CuNi18Zn17077C75200
CuNi18Zn27078C77700

Dimensions
Coil widthup to max. 1.250 mm
Coil thicknessmax. 2,5 mm / min 1,0 mm
Ringgewichtup to 15 kg/mm
Temperas rolled or soft annealed


75-25 Copper-Nickel Properties:

  • Density
  • Hardness, Rockwell B, Hard Drawn (H80 - for Tubing) or Rolled (H04 for Flat Products)
  • Tensile Strength, Ultimate, Annealed
  • Tensile Strength, Ultimate, Hard Drawn (H80 - for Tubing) or Rolled (H04 for Flat Products)
  • Tensile Strength, Yield, Annealed
  • Elongation at Break, Hard Drawn (H80 - for Tubing) or Rolled (H04 for Flat Products)
  • Elongation at Break, Annealed
  • Tensile Modulus, (C71500 Annealed)
  • Poissons Ratio, (C71500 Annealed)
  • Machinability, Based on Free cutting brass = 100%
  • Shear Modulus, (C71500 Annealed)
  • Electrical Resistivity
  • CTE, linear
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
  • Copper, Cu, As Remainder
  • Iron, Fe
  • Lead, Pb
  • Manganese, Mn
  • Nickel, Ni
  • Zinc, Zn


UNS C71300 Copper Coinage Alloy Chemical Composition

ElementContent (%)
Cu71.25-76.5
Fe≤ 0.20
Pb≤0.050
Mn≤ 1.0
Ni23.5-26.5
Zn≤ 1.0


Physical Properties of UNS C71300 copper nickel alloy

PropertiesMetricImperial
Density8.94 g/cm30.323 lb/in³


UNS C71300 copper nickel alloy Mechanical Properties

PropertiesMetricImperial
Hardness, Rockwell B (hard drawn-H80 for tubing / rolled-H04 for flat products)6969
Tensile strength (annealed)359 MPa52000 psi
Tensile strength (hard drawn-H80 for tubing / rolled-H04 for flat products)538 MPa78000 psi
Yield strength (annealed)103 MPa15000 psi
Elongation at break (hard drawn-H80 for tubing / rolled-H04 for flat products)11.00%11.00%
Elongation at break (annealed)40%40%
Elastic modulus (C71500 annealed)152 GPa22000 ksi
Poisson’s ratio (C71500 annealed)0.3250.325
Machinability (based on free-cutting brass = 100)2020
Shear modulus (C71500 annealed)57.2 GPa8300 ksi

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c71000 copper nickel round barC71000 Copper Nickel Sheet / C71000 Copper Nickel Plate
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