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2219 Aluminum vs. 7049 Aluminum

Both 2219 aluminum and 7049 aluminum are aluminum alloys. They have 90% 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 2219 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 2.2 to 20
6.2 to 7.0
Fatigue Strength, MPa 90 to 130
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 110 to 280
300 to 310
Tensile Strength: Ultimate (UTS), MPa 180 to 480
510 to 530
Tensile Strength: Yield (Proof), MPa 88 to 390
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 110 to 170
130
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
36
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
1270 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
45
Strength to Weight: Axial, points 16 to 43
46 to 47
Strength to Weight: Bending, points 23 to 44
46 to 47
Thermal Diffusivity, mm2/s 42 to 63
51
Thermal Shock Resistance, points 8.2 to 22
22 to 23

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 5.8 to 6.8
1.2 to 1.9
Iron (Fe), % 0 to 0.3
0 to 0.35
Magnesium (Mg), % 0 to 0.020
2.0 to 2.9
Manganese (Mn), % 0.2 to 0.4
0 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.25
Titanium (Ti), % 0.020 to 0.1
0 to 0.1
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
7.2 to 8.2
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.15