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B390.0 Aluminum vs. SAE-AISI D3 Steel

B390.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 27 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 B390.0 aluminum and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
190
Elongation at Break, % 0.88
9.8 to 15
Fatigue Strength, MPa 170
310 to 940
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 29
74
Tensile Strength: Ultimate (UTS), MPa 320
770 to 2050
Tensile Strength: Yield (Proof), MPa 250
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 640
270
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 580
1390
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
31
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 88
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.3
3.2
Embodied Energy, MJ/kg 130
48
Embodied Water, L/kg 940
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
97 to 180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 32
28 to 74
Strength to Weight: Bending, points 38
24 to 47
Thermal Diffusivity, mm2/s 55
8.3
Thermal Shock Resistance, points 15
23 to 63

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0
Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0
11 to 13.5
Copper (Cu), % 4.0 to 5.0
0 to 0.25
Iron (Fe), % 0 to 1.3
80.3 to 87
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0 to 0.6
Nickel (Ni), % 0 to 0.1
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 16 to 18
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.2
0