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7050 Aluminum vs. 6025 Aluminum

Both 7050 aluminum and 6025 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 7050 aluminum and the bottom bar is 6025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 2.2 to 12
2.8 to 10
Fatigue Strength, MPa 130 to 210
67 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280 to 330
110 to 140
Tensile Strength: Ultimate (UTS), MPa 490 to 570
190 to 240
Tensile Strength: Yield (Proof), MPa 390 to 500
68 to 210

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 490
550
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
33
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 8.2
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
6.0 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
33 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 45 to 51
19 to 24
Strength to Weight: Bending, points 45 to 50
26 to 31
Thermal Diffusivity, mm2/s 54
54
Thermal Shock Resistance, points 21 to 25
8.2 to 10

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
91.7 to 96.3
Chromium (Cr), % 0 to 0.040
0 to 0.2
Copper (Cu), % 2.0 to 2.6
0.2 to 0.7
Iron (Fe), % 0 to 0.15
0 to 0.7
Magnesium (Mg), % 1.9 to 2.6
2.1 to 3.0
Manganese (Mn), % 0 to 0.1
0.6 to 1.4
Silicon (Si), % 0 to 0.12
0.8 to 1.5
Titanium (Ti), % 0 to 0.060
0 to 0.2
Zinc (Zn), % 5.7 to 6.7
0 to 0.5
Zirconium (Zr), % 0.080 to 0.15
0
Residuals, % 0
0 to 0.15