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5070 Aluminum vs. 2219 Aluminum

Both 5070 aluminum and 2219 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 5070 aluminum and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 20
2.2 to 20
Fatigue Strength, MPa 150
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 190
110 to 280
Tensile Strength: Ultimate (UTS), MPa 300
180 to 480
Tensile Strength: Yield (Proof), MPa 140
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 190
230
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
110 to 170
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 150
54 to 1060
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 31
16 to 43
Strength to Weight: Bending, points 37
23 to 44
Thermal Diffusivity, mm2/s 53
42 to 63
Thermal Shock Resistance, points 14
8.2 to 22

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
91.5 to 93.8
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
5.8 to 6.8
Iron (Fe), % 0 to 0.4
0 to 0.3
Magnesium (Mg), % 3.5 to 4.5
0 to 0.020
Manganese (Mn), % 0.4 to 0.8
0.2 to 0.4
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.15
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0.4 to 0.8
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15