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