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EN 1.0644 Steel vs. EN AC-42200 Aluminum

EN 1.0644 steel belongs to the iron alloys classification, while EN AC-42200 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.0644 steel and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 17
3.0 to 6.7
Fatigue Strength, MPa 380
86 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 690
320
Tensile Strength: Yield (Proof), MPa 570
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 250
500
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 47
150
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.8
8.0
Embodied Energy, MJ/kg 24
150
Embodied Water, L/kg 50
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 870
410 to 490
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 24
34 to 35
Strength to Weight: Bending, points 22
40 to 41
Thermal Diffusivity, mm2/s 13
66
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
91 to 93.1
Carbon (C), % 0.16 to 0.22
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.050
Iron (Fe), % 96.1 to 98.4
0 to 0.19
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 1.3 to 1.7
0 to 0.1
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
6.5 to 7.5
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0 to 0.050
0 to 0.25
Vanadium (V), % 0.080 to 0.15
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1