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AWS BVAg-18 vs. C71520 Copper-nickel

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while C71520 copper-nickel belongs to the copper alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
140
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 30
51
Tensile Strength: Ultimate (UTS), MPa 180
370 to 570

Thermal Properties

Latent Heat of Fusion, J/g 140
230
Melting Completion (Liquidus), °C 720
1170
Melting Onset (Solidus), °C 600
1120
Specific Heat Capacity, J/kg-K 280
400
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.9
Embodied Carbon, kg CO2/kg material 59
5.0
Embodied Energy, MJ/kg 930
73

Common Calculations

Stiffness to Weight: Axial, points 4.7
8.6
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 5.1
12 to 18
Strength to Weight: Bending, points 7.3
13 to 17
Thermal Shock Resistance, points 8.1
12 to 19

Alloy Composition


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Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.050
Copper (Cu), % 28.5 to 31.5
65 to 71.6
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), % 0
28 to 33
Phosphorus (P), % 0 to 0.0020
0 to 0.2
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.5