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444.0 Aluminum vs. 7049A Aluminum

Both 444.0 aluminum and 7049A aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 29 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 444.0 aluminum and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 25
5.0 to 5.7
Fatigue Strength, MPa 51
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 190
580 to 590
Tensile Strength: Yield (Proof), MPa 83
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 500
370
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
430
Specific Heat Capacity, J/kg-K 900
850
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.6
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 49
1800 to 1990
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
44
Strength to Weight: Axial, points 20
52 to 53
Strength to Weight: Bending, points 28
50 to 51
Thermal Diffusivity, mm2/s 67
50
Thermal Shock Resistance, points 8.8
25

Alloy Composition

Aluminum (Al), % 90.5 to 93.5
84.6 to 89.5
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 0 to 0.25
1.2 to 1.9
Iron (Fe), % 0 to 0.6
0 to 0.5
Magnesium (Mg), % 0 to 0.1
2.1 to 3.1
Manganese (Mn), % 0 to 0.35
0 to 0.5
Silicon (Si), % 6.5 to 7.5
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 0.35
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15