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4147 Aluminum vs. 7076 Aluminum

Both 4147 aluminum and 7076 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4147 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 3.3
6.2
Fatigue Strength, MPa 42
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 63
310
Tensile Strength: Ultimate (UTS), MPa 110
530
Tensile Strength: Yield (Proof), MPa 59
460

Thermal Properties

Latent Heat of Fusion, J/g 570
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 580
630
Melting Onset (Solidus), °C 560
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.5
3.0
Embodied Carbon, kg CO2/kg material 7.7
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1050
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
31
Resilience: Unit (Modulus of Resilience), kJ/m3 24
1510
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
45
Strength to Weight: Axial, points 12
49
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 5.2
23

Alloy Composition

Aluminum (Al), % 85 to 88.9
86.9 to 91.2
Beryllium (Be), % 0 to 0.00030
0
Copper (Cu), % 0 to 0.25
0.3 to 1.0
Iron (Fe), % 0 to 0.8
0 to 0.6
Magnesium (Mg), % 0.1 to 0.5
1.2 to 2.0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Silicon (Si), % 11 to 13
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
7.0 to 8.0
Residuals, % 0
0 to 0.15