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C96300 Copper-nickel vs. ASTM B685 Alloy

C96300 copper-nickel belongs to the copper alloys classification, while ASTM B685 alloy belongs to the otherwise unclassified metals. They have 40% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C96300 copper-nickel and the bottom bar is ASTM B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 49
43
Tensile Strength: Ultimate (UTS), MPa 580
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Melting Completion (Liquidus), °C 1200
1230
Melting Onset (Solidus), °C 1150
1200
Specific Heat Capacity, J/kg-K 400
300
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.1
4.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
11

Common Calculations

Stiffness to Weight: Axial, points 8.2
6.1
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 18
17 to 27
Strength to Weight: Bending, points 17
16 to 21
Thermal Shock Resistance, points 20
28 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 72.3 to 80.8
39.5 to 40.5
Iron (Fe), % 0.5 to 1.5
0 to 0.050
Lead (Pb), % 0 to 0.010
0 to 0.030
Manganese (Mn), % 0.25 to 1.5
0
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.5 to 1.5
0
Palladium (Pd), % 0
59 to 60.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.2