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AWS BVAu-7 vs. C70700 Copper-nickel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while C70700 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-7 and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 45
46
Tensile Strength: Ultimate (UTS), MPa 200
320

Thermal Properties

Latent Heat of Fusion, J/g 140
220
Melting Completion (Liquidus), °C 1120
1120
Melting Onset (Solidus), °C 1100
1060
Specific Heat Capacity, J/kg-K 240
390
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 15
8.9

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.6
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.7
10
Strength to Weight: Bending, points 5.1
12
Thermal Shock Resistance, points 8.9
12

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
88.5 to 90.5
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 24.5 to 25.5
9.5 to 10.5
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5