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5754 Aluminum vs. 7049 Aluminum

Both 5754 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 5754 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52 to 88
140
Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 2.0 to 19
6.2 to 7.0
Fatigue Strength, MPa 66 to 140
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 120 to 190
300 to 310
Tensile Strength: Ultimate (UTS), MPa 200 to 330
510 to 530
Tensile Strength: Yield (Proof), MPa 80 to 280
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
36
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 32
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 47 to 580
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 21 to 34
46 to 47
Strength to Weight: Bending, points 28 to 39
46 to 47
Thermal Diffusivity, mm2/s 54
51
Thermal Shock Resistance, points 8.9 to 14
22 to 23

Alloy Composition

Aluminum (Al), % 94.2 to 97.4
85.7 to 89.5
Chromium (Cr), % 0 to 0.3
0.1 to 0.22
Copper (Cu), % 0 to 0.1
1.2 to 1.9
Iron (Fe), % 0 to 0.4
0 to 0.35
Magnesium (Mg), % 2.6 to 3.6
2.0 to 2.9
Manganese (Mn), % 0 to 0.5
0 to 0.2
Silicon (Si), % 0 to 0.4
0 to 0.25
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.2
7.2 to 8.2
Residuals, % 0
0 to 0.15