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6182 Aluminum vs. SAE-AISI D2 Steel

6182 aluminum belongs to the aluminum alloys classification, while SAE-AISI D2 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 6182 aluminum and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.8 to 13
5.0 to 16
Fatigue Strength, MPa 63 to 99
310 to 860
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 140 to 190
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 230 to 320
760 to 2000
Tensile Strength: Yield (Proof), MPa 130 to 270
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 600
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
31
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.4
3.4
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
570 to 5940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 23 to 32
27 to 72
Strength to Weight: Bending, points 30 to 38
24 to 46
Thermal Diffusivity, mm2/s 65
8.3
Thermal Shock Resistance, points 10 to 14
25 to 67

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Carbon (C), % 0
1.4 to 1.6
Chromium (Cr), % 0 to 0.25
11 to 13
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.5
81.3 to 86.9
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.9 to 1.3
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
0 to 1.1
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0 to 0.15
0