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SAE-AISI M36 Steel vs. 1085 Aluminum

SAE-AISI M36 steel belongs to the iron alloys classification, while 1085 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 M36 steel and the bottom bar is 1085 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 78
26
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
73 to 140

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1600
640
Melting Onset (Solidus), °C 1550
640
Specific Heat Capacity, J/kg-K 440
900
Thermal Conductivity, W/m-K 19
230
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 38
9.5
Density, g/cm3 8.4
2.7
Embodied Carbon, kg CO2/kg material 9.5
8.3
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 140
1200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 27 to 72
7.5 to 14
Strength to Weight: Bending, points 23 to 44
14 to 22
Thermal Diffusivity, mm2/s 5.1
94
Thermal Shock Resistance, points 25 to 68
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 0
99.85 to 100
Carbon (C), % 0.8 to 0.9
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 70.1 to 75.5
0 to 0.12
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0.15 to 0.4
0 to 0.020
Molybdenum (Mo), % 4.6 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 to 0.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0 to 0.050
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.010

Comparable Variants