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7076 Aluminum vs. EN 1.7006 Steel

7076 aluminum belongs to the aluminum alloys classification, while EN 1.7006 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7076 aluminum and the bottom bar is EN 1.7006 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 220
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 530
530 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 460
1420
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 140
46
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.0
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1110
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 49
19 to 67
Strength to Weight: Bending, points 48
19 to 43
Thermal Diffusivity, mm2/s 54
12
Thermal Shock Resistance, points 23
16 to 56

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Carbon (C), % 0
0.42 to 0.5
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0.3 to 1.0
0
Iron (Fe), % 0 to 0.6
97.6 to 98.7
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0 to 0.15
0