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3005 Aluminum vs. 7049 Aluminum

Both 3005 aluminum and 7049 aluminum are aluminum alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is 3005 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 33 to 73
140
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 1.1 to 16
6.2 to 7.0
Fatigue Strength, MPa 53 to 100
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 84 to 150
300 to 310
Tensile Strength: Ultimate (UTS), MPa 140 to 270
510 to 530
Tensile Strength: Yield (Proof), MPa 51 to 240
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
36
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 18
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 390
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 14 to 27
46 to 47
Strength to Weight: Bending, points 21 to 33
46 to 47
Thermal Diffusivity, mm2/s 64
51
Thermal Shock Resistance, points 6.0 to 12
22 to 23

Alloy Composition

Aluminum (Al), % 95.7 to 98.8
85.7 to 89.5
Chromium (Cr), % 0 to 0.1
0.1 to 0.22
Copper (Cu), % 0 to 0.3
1.2 to 1.9
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 0.2 to 0.6
2.0 to 2.9
Manganese (Mn), % 1.0 to 1.5
0 to 0.2
Silicon (Si), % 0 to 0.6
0 to 0.25
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
7.2 to 8.2
Residuals, % 0
0 to 0.15