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4007 Aluminum vs. 4115 Aluminum

Both 4007 aluminum and 4115 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is 4007 aluminum and the bottom bar is 4115 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
38 to 68
Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 5.1 to 23
1.1 to 11
Fatigue Strength, MPa 46 to 88
39 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 80 to 90
71 to 130
Tensile Strength: Ultimate (UTS), MPa 130 to 160
120 to 220
Tensile Strength: Yield (Proof), MPa 50 to 120
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 590
590
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 170
160
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
41
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
2.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
11 to 270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 12 to 15
12 to 23
Strength to Weight: Bending, points 20 to 23
20 to 30
Thermal Diffusivity, mm2/s 67
66
Thermal Shock Resistance, points 5.5 to 6.7
5.2 to 9.9

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
94.6 to 97.4
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0.1 to 0.5
Iron (Fe), % 0.4 to 1.0
0 to 0.7
Magnesium (Mg), % 0 to 0.2
0.1 to 0.5
Manganese (Mn), % 0.8 to 1.5
0.6 to 1.2
Nickel (Ni), % 0.15 to 0.7
0
Silicon (Si), % 1.0 to 1.7
1.8 to 2.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants