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AWS BAg-9 vs. C72150 Copper-nickel

AWS BAg-9 belongs to the otherwise unclassified metals classification, while C72150 copper-nickel belongs to the copper alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-9 and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
150
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 31
55
Tensile Strength: Ultimate (UTS), MPa 140
490

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Melting Completion (Liquidus), °C 720
1210
Melting Onset (Solidus), °C 670
1250
Specific Heat Capacity, J/kg-K 290
410
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.9
Embodied Energy, MJ/kg 980
88

Common Calculations

Stiffness to Weight: Axial, points 4.8
9.1
Stiffness to Weight: Bending, points 15
20
Strength to Weight: Axial, points 4.1
15
Strength to Weight: Bending, points 6.3
15
Thermal Shock Resistance, points 6.0
18

Alloy Composition


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Carbon (C), % 0
0 to 0.1
Copper (Cu), % 19 to 21
52.5 to 57
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 64 to 66
0
Zinc (Zn), % 13 to 17
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.5