C96400(UNS C96400/2.0835/GCuNi30/Copper-Nickel 70/30)

Short Introduction:

  • As a professional steel manufacturer of superalloy in China, Shanghai HY Industry Co., Ltd has 20 years of manufacturing experience in copper-nickel alloy, including C96400.
    UNS C96400/2.0835/GCuNi30/Copper-Nickel 70/30 excellent resistance to corrosion and erosion. It’s strong and dectile and is utilized in areas where high temperatures and pressures, combined with high velocities and turbulence are serious problems.

    Description

    C96400(UNS C96400/2.0835/GCuNi30)

    C96400(UNS C96400/2.0835/GCuNi30/Copper-Nickel 70/30

    C96400 is the cast equivalent of 70/30 Cupro-Nickel.  C964 shows good resistant to stress corrosion and is often used when an application will involve high-velocity seawater.  UNS C96400 is often used in the production of fittings and flanges for shipboard application.

    Common applications include:

    • Seawater applications

    • Valve components

    • Pump bodies

    Chemical Composition

    Cu%

    Pb%

    Fe%

    P%

    Ni%1

    C%

    Mn%

    S%

    Si%

    Nb%

    Chemical Composition according to ASTM B505/B505M-18

    1Ni value includes Co.

    Note: Cu + Sum of Named Elements, 99.5% min. Single values, unless otherwise noted, represent maximums.

    Rem.

    0.01

    0.25-

    1.50

    0.02

    28.00-

    32.00

    0.15

    1.50

    0.02

    0.50

    0.50-

    1.50

    Machinability

    Copper Alloy UNS No.

    Machinability Rating

    Density (lb/in3 at 68 °F)

    C96400

    20

    0.323

    Mechanical Properties

    Mechanical Properties according to ASTM B505/B505M-18

    Tensile Strength, min

    Yield Strength, at 0.5% Extension Under Load, min

    Elongation, in 2 in. or 50 mm min

    Brinell Hardness

    Remarks

    ksi

    MPa

    ksi

    MPa

    %

    typical BHN

    65

    448

    35

    241

    25

    Physical Properties

    US Customary

    Metric

    Physical Properties provided by CDA

    Melting Point - Liquidus

    2260 °F

    1238 °C

    Melting Point - Solidus

    2140 °F

    1171 °C

    Density

    0.323 lb/in3 at 68 °F

    8.94 gm/cm3 at 20 °C

    Specific Gravity

    8.94

    8.94

    Electrical Conductivity

    5% IACS at 68 °F

    0.029 MegaSiemens/cm at 20 °C

    Thermal Conductivity

    16.4 Btu/sq ft/ft hr/°F at 68 °F

    28.4 W/m at 20 °C

    Coefficient of Thermal Expansion 68-572

    9 · 10-6 per °F (68-572 °F)

    15.5 · 10-6 per °C (20-300 °C)

    Specific Heat Capacity

    0.09 Btu/lb/°F at 68 °F

    377.1 J/kg at 293 °C

    Modulus of Elasticity in Tension

    21000 ksi

    144791 MPa

    Fabrication Properties

    Fabrication Properties provided by CDA

    *Filler metal R CuNi, or E CuNi.

    Technique

    Suitability

    Soldering

    Excellent

    Brazing

    Excellent

    Oxyacetylene Welding

    Not Recommended

    Gas Shielded Arc Welding*

    Good

    Coated Metal Arc Welding

    Good

    Machinability Rating

    20

    Specifications for C96400 Copper-Nickel

    ASTM

    Military

    Centrifugal Cast

    ASTM B369

    MIL-C-20159

    Sand Cast

    ASTM B369

    Continuous Cast

    ASTM B505

    Ingot

    ASTM B30