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EN AC-44300 Aluminum vs. 7076 Aluminum

Both EN AC-44300 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-44300 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
160
Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 1.1
6.2
Fatigue Strength, MPa 100
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 270
530
Tensile Strength: Yield (Proof), MPa 150
460

Thermal Properties

Latent Heat of Fusion, J/g 570
380
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 580
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 2.6
31
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1510
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
45
Strength to Weight: Axial, points 29
49
Strength to Weight: Bending, points 36
48
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 13
23

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
86.9 to 91.2
Copper (Cu), % 0 to 0.1
0.3 to 1.0
Iron (Fe), % 0 to 1.0
0 to 0.6
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0 to 0.55
0.3 to 0.8
Silicon (Si), % 10.5 to 13.5
0 to 0.4
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
7.0 to 8.0
Residuals, % 0
0 to 0.15