MakeItFrom.com
Menu (ESC)

C99300 Copper vs. 7076 Aluminum

C99300 copper belongs to the copper alloys classification, while 7076 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C99300 copper and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 2.0
6.2
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 660
530
Tensile Strength: Yield (Proof), MPa 380
460

Thermal Properties

Latent Heat of Fusion, J/g 240
380
Maximum Temperature: Mechanical, °C 250
170
Melting Completion (Liquidus), °C 1080
630
Melting Onset (Solidus), °C 1070
460
Specific Heat Capacity, J/kg-K 450
860
Thermal Conductivity, W/m-K 43
140
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 35
9.5
Density, g/cm3 8.2
3.0
Embodied Carbon, kg CO2/kg material 4.5
8.0
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 400
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
31
Resilience: Unit (Modulus of Resilience), kJ/m3 590
1510
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 22
49
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 12
54
Thermal Shock Resistance, points 22
23

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
86.9 to 91.2
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0.3 to 1.0
Iron (Fe), % 0.4 to 1.0
0 to 0.6
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 13.5 to 16.5
0
Silicon (Si), % 0 to 0.020
0 to 0.4
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
7.0 to 8.0
Residuals, % 0
0 to 0.15