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AWS BVAu-4 vs. C72700 Copper-nickel

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while C72700 copper-nickel belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-4 and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 190
460 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 100
210
Melting Completion (Liquidus), °C 950
1100
Melting Onset (Solidus), °C 950
930
Specific Heat Capacity, J/kg-K 190
380
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Density, g/cm3 17
8.8

Common Calculations

Stiffness to Weight: Axial, points 3.6
7.4
Stiffness to Weight: Bending, points 9.3
19
Strength to Weight: Axial, points 3.0
14 to 34
Strength to Weight: Bending, points 4.2
15 to 26
Thermal Shock Resistance, points 8.7
16 to 38

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 0
82.1 to 86
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.0020
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 17.5 to 18.5
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.0020
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.3