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SAE-AISI M1 Steel vs. EN AC-47000 Aluminum

SAE-AISI M1 steel belongs to the iron alloys classification, while EN AC-47000 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 M1 steel and the bottom bar is EN AC-47000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
180

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Melting Completion (Liquidus), °C 1560
590
Melting Onset (Solidus), °C 1510
570
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 29
130
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 7.0
7.7
Embodied Energy, MJ/kg 99
140
Embodied Water, L/kg 98
1040

Common Calculations

Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 25 to 73
19
Strength to Weight: Bending, points 22 to 45
27
Thermal Diffusivity, mm2/s 8.0
55
Thermal Shock Resistance, points 23 to 66
8.3

Alloy Composition

Aluminum (Al), % 0
82.1 to 89.5
Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.5 to 4.0
0 to 0.1
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 81 to 84.8
0 to 0.8
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0.15 to 0.4
0.050 to 0.55
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.5
10.5 to 13.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0
Zinc (Zn), % 0
0 to 0.55
Residuals, % 0
0 to 0.25