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6025 Aluminum vs. 7003 Aluminum

Both 6025 aluminum and 7003 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 6025 aluminum and the bottom bar is 7003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 2.8 to 10
11
Fatigue Strength, MPa 67 to 110
130 to 150
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 110 to 140
210 to 230
Tensile Strength: Ultimate (UTS), MPa 190 to 240
350 to 390
Tensile Strength: Yield (Proof), MPa 68 to 210
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 550
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
24

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
9.5
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.5
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
37 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
630 to 710
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 19 to 24
33 to 37
Strength to Weight: Bending, points 26 to 31
37 to 40
Thermal Diffusivity, mm2/s 54
59
Thermal Shock Resistance, points 8.2 to 10
15 to 17

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
90.6 to 94.5
Chromium (Cr), % 0 to 0.2
0 to 0.2
Copper (Cu), % 0.2 to 0.7
0 to 0.2
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 2.1 to 3.0
0.5 to 1.0
Manganese (Mn), % 0.6 to 1.4
0 to 0.3
Silicon (Si), % 0.8 to 1.5
0 to 0.3
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.5
5.0 to 6.5
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15