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4047 Aluminum vs. EN 1.6932 Steel

4047 aluminum belongs to the aluminum alloys classification, while EN 1.6932 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 4047 aluminum and the bottom bar is EN 1.6932 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 3.4
14
Fatigue Strength, MPa 45
460
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 69
540
Tensile Strength: Ultimate (UTS), MPa 120
900
Tensile Strength: Yield (Proof), MPa 64
720

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 160
440
Melting Completion (Liquidus), °C 580
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
45
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.0
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
2.0
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 1050
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
110
Resilience: Unit (Modulus of Resilience), kJ/m3 28
1370
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 13
32
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 59
12
Thermal Shock Resistance, points 5.6
26

Alloy Composition

Aluminum (Al), % 85.3 to 89
0
Carbon (C), % 0
0.24 to 0.32
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.8
94.5 to 96.4
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.4
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 0
1.8 to 2.1
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 11 to 13
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0