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7049 Aluminum vs. 2195 Aluminum

Both 7049 aluminum and 2195 aluminum are aluminum alloys. They have a moderately high 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 (2, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 2195 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.2 to 7.0
9.3
Fatigue Strength, MPa 160 to 170
190
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 310
350
Tensile Strength: Ultimate (UTS), MPa 510 to 530
590
Tensile Strength: Yield (Proof), MPa 420 to 450
560

Thermal Properties

Latent Heat of Fusion, J/g 370
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 480
550
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.6
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1110
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
54
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
2290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 46 to 47
55
Strength to Weight: Bending, points 46 to 47
53
Thermal Diffusivity, mm2/s 51
49
Thermal Shock Resistance, points 22 to 23
26

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
91.9 to 94.9
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
3.7 to 4.3
Iron (Fe), % 0 to 0.35
0 to 0.15
Lithium (Li), % 0
0.8 to 1.2
Magnesium (Mg), % 2.0 to 2.9
0.25 to 0.8
Manganese (Mn), % 0 to 0.2
0 to 0.25
Silicon (Si), % 0 to 0.25
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 7.2 to 8.2
0 to 0.25
Zirconium (Zr), % 0
0.080 to 0.16
Residuals, % 0
0 to 0.15