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7076 Aluminum vs. EN AC-45400 Aluminum

Both 7076 aluminum and EN AC-45400 aluminum are aluminum alloys. They have a moderately high 91% 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 7076 aluminum and the bottom bar is EN AC-45400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
86
Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 6.2
6.7
Fatigue Strength, MPa 170
55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 530
260
Tensile Strength: Yield (Proof), MPa 460
130

Thermal Properties

Latent Heat of Fusion, J/g 380
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
630
Melting Onset (Solidus), °C 460
560
Specific Heat Capacity, J/kg-K 860
880
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
95

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
14
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
49
Strength to Weight: Axial, points 49
25
Strength to Weight: Bending, points 48
32
Thermal Diffusivity, mm2/s 54
54
Thermal Shock Resistance, points 23
12

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
88.4 to 92.9
Copper (Cu), % 0.3 to 1.0
2.6 to 3.6
Iron (Fe), % 0 to 0.6
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.2 to 2.0
0 to 0.050
Manganese (Mn), % 0.3 to 0.8
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.4
4.5 to 6.0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 7.0 to 8.0
0 to 0.2
Residuals, % 0
0 to 0.15