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5070 Aluminum vs. SAE-AISI D3 Steel

5070 aluminum belongs to the aluminum alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 5070 aluminum and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 20
9.8 to 15
Fatigue Strength, MPa 150
310 to 940
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
74
Shear Strength, MPa 190
470 to 1220
Tensile Strength: Ultimate (UTS), MPa 300
770 to 2050
Tensile Strength: Yield (Proof), MPa 140
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 550
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
31
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.2
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 31
28 to 74
Strength to Weight: Bending, points 37
24 to 47
Thermal Diffusivity, mm2/s 53
8.3
Thermal Shock Resistance, points 14
23 to 63

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
0
Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0 to 0.3
11 to 13.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.4
80.3 to 87
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0 to 0.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0.4 to 0.8
0
Residuals, % 0 to 0.15
0