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380.0 Aluminum vs. SAE-AISI D3 Steel

380.0 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 380.0 aluminum and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
9.8 to 15
Fatigue Strength, MPa 140
310 to 940
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
74
Shear Strength, MPa 190
470 to 1220
Tensile Strength: Ultimate (UTS), MPa 320
770 to 2050
Tensile Strength: Yield (Proof), MPa 160
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 510
270
Melting Completion (Liquidus), °C 590
1430
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 100
31
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.5
3.2
Embodied Energy, MJ/kg 140
48
Embodied Water, L/kg 1040
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
28 to 74
Strength to Weight: Bending, points 36
24 to 47
Thermal Diffusivity, mm2/s 40
8.3
Thermal Shock Resistance, points 14
23 to 63

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0
11 to 13.5
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 2.0
80.3 to 87
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0