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C72900 Copper-nickel vs. AWS BAg-13a

C72900 copper-nickel belongs to the copper alloys classification, while AWS BAg-13a belongs to the otherwise unclassified metals. They have 44% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
92
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 45
34
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
180

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Melting Completion (Liquidus), °C 1120
890
Melting Onset (Solidus), °C 950
770
Specific Heat Capacity, J/kg-K 380
300
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.8
Embodied Carbon, kg CO2/kg material 4.6
54
Embodied Energy, MJ/kg 72
850

Common Calculations

Stiffness to Weight: Axial, points 7.6
5.2
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 27 to 34
5.1
Strength to Weight: Bending, points 23 to 27
7.2
Thermal Shock Resistance, points 31 to 38
7.5

Alloy Composition

Copper (Cu), % 74.1 to 78
40.4 to 43.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
1.5 to 2.5
Niobium (Nb), % 0 to 0.1
0
Silver (Ag), % 0
55 to 57
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.15