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3003 Aluminum vs. 7076 Aluminum

Both 3003 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 3003 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 65
160
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 1.1 to 28
6.2
Fatigue Strength, MPa 39 to 90
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 68 to 130
310
Tensile Strength: Ultimate (UTS), MPa 110 to 240
530
Tensile Strength: Yield (Proof), MPa 40 to 210
460

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 640
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 180
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
31
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 11 to 24
49
Strength to Weight: Bending, points 18 to 30
48
Thermal Diffusivity, mm2/s 71
54
Thermal Shock Resistance, points 4.7 to 10
23

Alloy Composition

Aluminum (Al), % 96.8 to 99
86.9 to 91.2
Copper (Cu), % 0.050 to 0.2
0.3 to 1.0
Iron (Fe), % 0 to 0.7
0 to 0.6
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 1.0 to 1.5
0.3 to 0.8
Silicon (Si), % 0 to 0.6
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.1
7.0 to 8.0
Residuals, % 0
0 to 0.15