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EN 1.1147 Steel vs. A384.0 Aluminum

EN 1.1147 steel belongs to the iron alloys classification, while A384.0 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 1.1147 steel and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 12 to 17
2.5
Fatigue Strength, MPa 180 to 250
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
28
Shear Strength, MPa 280
200
Tensile Strength: Ultimate (UTS), MPa 390 to 470
330
Tensile Strength: Yield (Proof), MPa 280 to 370
170

Thermal Properties

Latent Heat of Fusion, J/g 250
550
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
510
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 51
96
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
73

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.4
7.5
Embodied Energy, MJ/kg 18
140
Embodied Water, L/kg 46
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 73
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 370
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 14 to 17
32
Strength to Weight: Bending, points 15 to 17
38
Thermal Diffusivity, mm2/s 14
39
Thermal Shock Resistance, points 12 to 15
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Carbon (C), % 0.15 to 0.19
0
Copper (Cu), % 0 to 0.25
3.0 to 4.5
Iron (Fe), % 98.3 to 99.25
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.6 to 0.9
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
10.5 to 12
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5