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SAE-AISI M6 Steel vs. 5652 Aluminum

SAE-AISI M6 steel belongs to the iron alloys classification, while 5652 aluminum belongs to the aluminum 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 SAE-AISI M6 steel and the bottom bar is 5652 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1560
650
Melting Onset (Solidus), °C 1510
610
Specific Heat Capacity, J/kg-K 440
900
Thermal Conductivity, W/m-K 17
140
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.4
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.6
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 160
1190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 28 to 73
20 to 30
Strength to Weight: Bending, points 24 to 45
27 to 36
Thermal Diffusivity, mm2/s 4.7
57
Thermal Shock Resistance, points 26 to 68
8.4 to 13

Alloy Composition

Aluminum (Al), % 0
95.8 to 97.7
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.8 to 4.5
0.15 to 0.35
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
0 to 0.040
Iron (Fe), % 68.8 to 74.6
0 to 0.4
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0.15 to 0.4
0 to 0.010
Molybdenum (Mo), % 4.5 to 5.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants