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EN 1.8824 Steel vs. A444.0 Aluminum

EN 1.8824 steel belongs to the iron alloys classification, while A444.0 aluminum belongs to the aluminum alloys. There are 29 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 EN 1.8824 steel and the bottom bar is A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 22
18
Fatigue Strength, MPa 310
37
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 580
160
Tensile Strength: Yield (Proof), MPa 440
66

Thermal Properties

Latent Heat of Fusion, J/g 250
500
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 49
160
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
41
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.6
7.9
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 48
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
24
Resilience: Unit (Modulus of Resilience), kJ/m3 530
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 13
68
Thermal Shock Resistance, points 17
7.3

Alloy Composition


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Aluminum (Al), % 0.020 to 0.040
91.6 to 93.5
Carbon (C), % 0 to 0.16
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 96.6 to 99.98
0 to 0.2
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.7
0 to 0.1
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
6.5 to 7.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.050
0 to 0.2
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15