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A206.0 Aluminum vs. SAE-AISI M6 Steel

A206.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI M6 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 A206.0 aluminum and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 390 to 440
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Melting Completion (Liquidus), °C 670
1560
Melting Onset (Solidus), °C 550
1510
Specific Heat Capacity, J/kg-K 880
440
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 3.0
8.4
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 36 to 41
28 to 73
Strength to Weight: Bending, points 39 to 43
24 to 45
Thermal Diffusivity, mm2/s 48
4.7
Thermal Shock Resistance, points 17 to 19
26 to 68

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
68.8 to 74.6
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0