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AWS BAg-2 vs. C71580 Copper-nickel

AWS BAg-2 belongs to the otherwise unclassified metals classification, while C71580 copper-nickel belongs to the copper alloys. They have a modest 26% 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 BAg-2 and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 31
51
Tensile Strength: Ultimate (UTS), MPa 180
330

Thermal Properties

Latent Heat of Fusion, J/g 130
230
Melting Completion (Liquidus), °C 700
1180
Melting Onset (Solidus), °C 610
1120
Specific Heat Capacity, J/kg-K 310
400
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 35
5.1
Embodied Energy, MJ/kg 550
74

Common Calculations

Stiffness to Weight: Axial, points 5.1
8.5
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.6
10
Strength to Weight: Bending, points 7.9
12
Thermal Shock Resistance, points 7.0
11

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0 to 0.070
Copper (Cu), % 25 to 27
65.5 to 71
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
29 to 33
Silver (Ag), % 34 to 36
0
Zinc (Zn), % 19 to 23
0 to 0.050
Residuals, % 0
0 to 0.5