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SAE-AISI D3 Steel vs. 515.0 Aluminum

SAE-AISI D3 steel belongs to the iron alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 SAE-AISI D3 steel and the bottom bar is 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 9.8 to 15
10
Fatigue Strength, MPa 310 to 940
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 74
26
Shear Strength, MPa 470 to 1220
190
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
280

Thermal Properties

Latent Heat of Fusion, J/g 270
470
Melting Completion (Liquidus), °C 1430
620
Melting Onset (Solidus), °C 1390
620
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.2
8.4
Embodied Energy, MJ/kg 48
150
Embodied Water, L/kg 100
1120

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 28 to 74
30
Strength to Weight: Bending, points 24 to 47
36
Thermal Shock Resistance, points 23 to 63
13

Alloy Composition

Aluminum (Al), % 0
93.6 to 96.6
Carbon (C), % 2.0 to 2.4
0
Chromium (Cr), % 11 to 13.5
0
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 80.3 to 87
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 0 to 0.6
0.4 to 0.6
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0.5 to 10
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15