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7076 Aluminum vs. EN AC-51400 Aluminum

Both 7076 aluminum and EN AC-51400 aluminum are aluminum alloys. They have a moderately high 92% 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-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
71
Elastic (Young's, Tensile) Modulus, GPa 70
67
Elongation at Break, % 6.2
3.4
Fatigue Strength, MPa 170
85
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
25
Tensile Strength: Ultimate (UTS), MPa 530
190
Tensile Strength: Yield (Proof), MPa 460
120

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 460
600
Specific Heat Capacity, J/kg-K 860
910
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
31
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
9.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
51
Strength to Weight: Axial, points 49
20
Strength to Weight: Bending, points 48
28
Thermal Diffusivity, mm2/s 54
46
Thermal Shock Resistance, points 23
8.6

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
90.5 to 95.5
Copper (Cu), % 0.3 to 1.0
0 to 0.050
Iron (Fe), % 0 to 0.6
0 to 0.55
Magnesium (Mg), % 1.2 to 2.0
4.5 to 6.5
Manganese (Mn), % 0.3 to 0.8
0 to 0.45
Silicon (Si), % 0 to 0.4
0 to 1.5
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 7.0 to 8.0
0 to 0.1
Residuals, % 0
0 to 0.15