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4007 Aluminum vs. 2025 Aluminum

Both 4007 aluminum and 2025 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 4007 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
110
Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 5.1 to 23
15
Fatigue Strength, MPa 46 to 88
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 80 to 90
240
Tensile Strength: Ultimate (UTS), MPa 130 to 160
400
Tensile Strength: Yield (Proof), MPa 50 to 120
260

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.1
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
55
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 12 to 15
37
Strength to Weight: Bending, points 20 to 23
40
Thermal Diffusivity, mm2/s 67
58
Thermal Shock Resistance, points 5.5 to 6.7
18

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
90.9 to 95.2
Chromium (Cr), % 0.050 to 0.25
0 to 0.1
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
3.9 to 5.0
Iron (Fe), % 0.4 to 1.0
0 to 1.0
Magnesium (Mg), % 0 to 0.2
0 to 0.050
Manganese (Mn), % 0.8 to 1.5
0.4 to 1.2
Nickel (Ni), % 0.15 to 0.7
0
Silicon (Si), % 1.0 to 1.7
0.5 to 1.2
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15