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238.0 Aluminum vs. 7049 Aluminum

Both 238.0 aluminum and 7049 aluminum are aluminum alloys. They have 87% 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 238.0 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
70
Elongation at Break, % 1.5
6.2 to 7.0
Fatigue Strength, MPa 110
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 210
510 to 530
Tensile Strength: Yield (Proof), MPa 170
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 430
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 840
860
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
36
Electrical Conductivity: Equal Weight (Specific), % IACS 67
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 3.4
3.1
Embodied Carbon, kg CO2/kg material 7.4
8.1
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 1040
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1270 to 1440
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
45
Strength to Weight: Axial, points 17
46 to 47
Strength to Weight: Bending, points 23
46 to 47
Thermal Diffusivity, mm2/s 37
51
Thermal Shock Resistance, points 9.1
22 to 23

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 9.5 to 10.5
1.2 to 1.9
Iron (Fe), % 1.0 to 1.5
0 to 0.35
Magnesium (Mg), % 0 to 0.25
2.0 to 2.9
Manganese (Mn), % 0
0 to 0.2
Silicon (Si), % 3.6 to 4.4
0 to 0.25
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
7.2 to 8.2
Residuals, % 0
0 to 0.15