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AWS BVAu-4 vs. C71520 Copper-nickel

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while C71520 copper-nickel belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-4 and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 41
51
Tensile Strength: Ultimate (UTS), MPa 190
370 to 570

Thermal Properties

Latent Heat of Fusion, J/g 100
230
Melting Completion (Liquidus), °C 950
1170
Melting Onset (Solidus), °C 950
1120
Specific Heat Capacity, J/kg-K 190
400
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.6
8.6
Stiffness to Weight: Bending, points 9.3
19
Strength to Weight: Axial, points 3.0
12 to 18
Strength to Weight: Bending, points 4.2
13 to 17
Thermal Shock Resistance, points 8.7
12 to 19

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.050
Copper (Cu), % 0
65 to 71.6
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0 to 0.0020
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 17.5 to 18.5
28 to 33
Phosphorus (P), % 0 to 0.0020
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.5