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6023 Aluminum vs. 7049 Aluminum

Both 6023 aluminum and 7049 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 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 6023 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 11
6.2 to 7.0
Fatigue Strength, MPa 120 to 130
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 210 to 220
300 to 310
Tensile Strength: Ultimate (UTS), MPa 360
510 to 530
Tensile Strength: Yield (Proof), MPa 300 to 310
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 580
480
Specific Heat Capacity, J/kg-K 890
860
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
36
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 35 to 36
46 to 47
Strength to Weight: Bending, points 40
46 to 47
Thermal Diffusivity, mm2/s 67
51
Thermal Shock Resistance, points 16
22 to 23

Alloy Composition


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Aluminum (Al), % 94 to 97.7
85.7 to 89.5
Bismuth (Bi), % 0.3 to 0.8
0
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 0.2 to 0.5
1.2 to 1.9
Iron (Fe), % 0 to 0.5
0 to 0.35
Magnesium (Mg), % 0.4 to 0.9
2.0 to 2.9
Manganese (Mn), % 0.2 to 0.6
0 to 0.2
Silicon (Si), % 0.6 to 1.4
0 to 0.25
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
7.2 to 8.2
Residuals, % 0 to 0.15
0 to 0.15