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AWS BVAu-4 vs. C72500 Copper-nickel

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while C72500 copper-nickel belongs to the copper alloys. There are 15 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 AWS BVAu-4 and the bottom bar is C72500 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
45
Tensile Strength: Ultimate (UTS), MPa 190
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 100
210
Melting Completion (Liquidus), °C 950
1130
Melting Onset (Solidus), °C 950
1060
Specific Heat Capacity, J/kg-K 190
390
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.6
7.6
Stiffness to Weight: Bending, points 9.3
19
Strength to Weight: Axial, points 3.0
13 to 24
Strength to Weight: Bending, points 4.2
14 to 21
Thermal Shock Resistance, points 8.7
14 to 27

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 0
85.2 to 89.7
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0 to 0.0020
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 17.5 to 18.5
8.5 to 10.5
Phosphorus (P), % 0 to 0.0020
0
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.2