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4047 Aluminum vs. EN 1.5535 Steel

4047 aluminum belongs to the aluminum alloys classification, while EN 1.5535 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.5535 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 3.4
11 to 22
Fatigue Strength, MPa 45
210 to 320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 69
320 to 370
Tensile Strength: Ultimate (UTS), MPa 120
450 to 1490
Tensile Strength: Yield (Proof), MPa 64
300 to 500

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 160
400
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
50
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1050
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 28
240 to 680
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 13
16 to 53
Strength to Weight: Bending, points 21
17 to 37
Thermal Diffusivity, mm2/s 59
13
Thermal Shock Resistance, points 5.6
13 to 44

Alloy Composition

Aluminum (Al), % 85.3 to 89
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.2 to 0.25
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.8
97.6 to 98.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.15
0.9 to 1.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 11 to 13
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0