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AWS BVAg-8b vs. C71580 Copper-nickel

AWS BVAg-8b belongs to the otherwise unclassified metals classification, while C71580 copper-nickel belongs to the copper alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. 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 BVAg-8b and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
140
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 31
51
Tensile Strength: Ultimate (UTS), MPa 170
330

Thermal Properties

Latent Heat of Fusion, J/g 140
230
Melting Completion (Liquidus), °C 800
1180
Melting Onset (Solidus), °C 780
1120
Specific Heat Capacity, J/kg-K 280
400
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Density, g/cm3 10
8.9

Common Calculations

Stiffness to Weight: Axial, points 4.7
8.5
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 4.7
10
Strength to Weight: Bending, points 6.8
12
Thermal Shock Resistance, points 7.6
11

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.070
Copper (Cu), % 26.8 to 29.2
65.5 to 71
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.0020
0 to 0.050
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0.3 to 0.7
29 to 33
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 70.5 to 72.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.050
Residuals, % 0
0 to 0.5