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1050A Aluminum vs. SAE-AISI D3 Steel

1050A 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 (4, 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 1050A 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, % 1.1 to 33
9.8 to 15
Fatigue Strength, MPa 22 to 55
310 to 940
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
74
Shear Strength, MPa 44 to 97
470 to 1220
Tensile Strength: Ultimate (UTS), MPa 68 to 170
770 to 2050
Tensile Strength: Yield (Proof), MPa 22 to 150
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 660
1430
Melting Onset (Solidus), °C 650
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 230
31
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 200
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
8.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 6.9 to 18
28 to 74
Strength to Weight: Bending, points 14 to 25
24 to 47
Thermal Diffusivity, mm2/s 94
8.3
Thermal Shock Resistance, points 3.0 to 7.6
23 to 63

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0
11 to 13.5
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.4
80.3 to 87
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
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 0.050
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.070
0

Comparable Variants