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CC381H Copper-nickel vs. AWS BVAu-8

CC381H copper-nickel belongs to the copper alloys classification, while AWS BVAu-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is AWS BVAu-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
100
Poisson's Ratio 0.33
0.42
Shear Modulus, GPa 52
36
Tensile Strength: Ultimate (UTS), MPa 380
140

Thermal Properties

Latent Heat of Fusion, J/g 240
71
Melting Completion (Liquidus), °C 1180
1240
Melting Onset (Solidus), °C 1120
1200
Specific Heat Capacity, J/kg-K 410
140
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Density, g/cm3 8.9
19

Common Calculations

Stiffness to Weight: Axial, points 8.6
3.0
Stiffness to Weight: Bending, points 19
8.3
Strength to Weight: Axial, points 12
2.1
Strength to Weight: Bending, points 13
3.2
Thermal Shock Resistance, points 13
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.0050
Copper (Cu), % 64.5 to 69.9
0
Gold (Au), % 0
91 to 93
Iron (Fe), % 0.5 to 1.5
0
Lead (Pb), % 0 to 0.030
0 to 0.0020
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Palladium (Pd), % 0
7.0 to 9.0
Phosphorus (P), % 0 to 0.010
0 to 0.0020
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
0 to 0.0010