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C72800 Copper-nickel vs. AWS BVAg-30

C72800 copper-nickel belongs to the copper alloys classification, while AWS BVAg-30 belongs to the otherwise unclassified metals. They have a modest 27% 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 C72800 copper-nickel and the bottom bar is AWS BVAg-30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
86
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
170

Thermal Properties

Latent Heat of Fusion, J/g 210
140
Melting Completion (Liquidus), °C 1080
810
Melting Onset (Solidus), °C 920
810
Specific Heat Capacity, J/kg-K 380
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.7
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 17 to 40
4.7
Strength to Weight: Bending, points 16 to 30
6.7
Thermal Shock Resistance, points 19 to 45
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 78.3 to 82.8
25.5 to 28.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.0050
0 to 0.0020
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Palladium (Pd), % 0
4.5 to 5.5
Phosphorus (P), % 0 to 0.0050
0 to 0.0020
Silicon (Si), % 0 to 0.050
0
Silver (Ag), % 0
67 to 69
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0 to 0.0010
Residuals, % 0 to 0.3
0