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7003 Aluminum vs. 7049 Aluminum

Both 7003 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 95% 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 7003 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 11
6.2 to 7.0
Fatigue Strength, MPa 130 to 150
160 to 170
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 210 to 230
300 to 310
Tensile Strength: Ultimate (UTS), MPa 350 to 390
510 to 530
Tensile Strength: Yield (Proof), MPa 300 to 310
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 380
370
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1140
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
1270 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
45
Strength to Weight: Axial, points 33 to 37
46 to 47
Strength to Weight: Bending, points 37 to 40
46 to 47
Thermal Diffusivity, mm2/s 59
51
Thermal Shock Resistance, points 15 to 17
22 to 23

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
85.7 to 89.5
Chromium (Cr), % 0 to 0.2
0.1 to 0.22
Copper (Cu), % 0 to 0.2
1.2 to 1.9
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 0.5 to 1.0
2.0 to 2.9
Manganese (Mn), % 0 to 0.3
0 to 0.2
Silicon (Si), % 0 to 0.3
0 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 5.0 to 6.5
7.2 to 8.2
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.15