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SAE-AISI M2 Steel vs. Sintered 6061 Aluminum

SAE-AISI M2 steel belongs to the iron alloys classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 M2 steel and the bottom bar is sintered 6061 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
25
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
83 to 210

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1570
610
Specific Heat Capacity, J/kg-K 440
900
Thermal Conductivity, W/m-K 22
200
Thermal Expansion, µm/m-K 10
23

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.4
2.7
Embodied Carbon, kg CO2/kg material 8.8
8.3
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 98
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 25 to 71
8.6 to 21
Strength to Weight: Bending, points 22 to 44
16 to 29
Thermal Diffusivity, mm2/s 5.9
81
Thermal Shock Resistance, points 27 to 76
3.8 to 9.4

Alloy Composition

Aluminum (Al), % 0
96 to 99.4
Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 78.5 to 83.4
0
Magnesium (Mg), % 0
0.4 to 1.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Residuals, % 0
0 to 1.5

Comparable Variants