MakeItFrom.com
Menu (ESC)

C96900 Copper-nickel vs. 7049 Aluminum

C96900 copper-nickel belongs to the copper alloys classification, while 7049 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C96900 copper-nickel and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 4.5
6.2 to 7.0
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 850
510 to 530
Tensile Strength: Yield (Proof), MPa 830
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 210
370
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 1060
640
Melting Onset (Solidus), °C 960
480
Specific Heat Capacity, J/kg-K 380
860
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 39
10
Density, g/cm3 8.8
3.1
Embodied Carbon, kg CO2/kg material 4.6
8.1
Embodied Energy, MJ/kg 72
140
Embodied Water, L/kg 360
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
1270 to 1440
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 27
46 to 47
Strength to Weight: Bending, points 23
46 to 47
Thermal Shock Resistance, points 30
22 to 23

Alloy Composition

Aluminum (Al), % 0
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 73.6 to 78
1.2 to 1.9
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
2.0 to 2.9
Manganese (Mn), % 0.050 to 0.3
0 to 0.2
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
0 to 0.25
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.5
7.2 to 8.2
Residuals, % 0
0 to 0.15