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EN 1.0644 Steel vs. EN AC-46300 Aluminum

EN 1.0644 steel belongs to the iron alloys classification, while EN AC-46300 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-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
91
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 17
1.1
Fatigue Strength, MPa 380
79
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 690
200
Tensile Strength: Yield (Proof), MPa 570
110

Thermal Properties

Latent Heat of Fusion, J/g 250
490
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
84

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.8
7.7
Embodied Energy, MJ/kg 24
140
Embodied Water, L/kg 50
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
1.9
Resilience: Unit (Modulus of Resilience), kJ/m3 870
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 13
47
Thermal Shock Resistance, points 22
9.1

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
84 to 90
Carbon (C), % 0.16 to 0.22
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 96.1 to 98.4
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 1.3 to 1.7
0.2 to 0.65
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.4
0 to 0.3
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 8.0
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.050
0 to 0.25
Vanadium (V), % 0.080 to 0.15
0
Zinc (Zn), % 0
0 to 0.65
Residuals, % 0
0 to 0.55