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384.0 Aluminum vs. EN 1.8505 Steel

384.0 aluminum belongs to the aluminum alloys classification, while EN 1.8505 steel belongs to the iron alloys. There are 31 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 384.0 aluminum and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
320
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 2.5
13
Fatigue Strength, MPa 140
540
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Shear Strength, MPa 200
630
Tensile Strength: Ultimate (UTS), MPa 330
1050
Tensile Strength: Yield (Proof), MPa 170
860

Thermal Properties

Latent Heat of Fusion, J/g 550
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 580
1450
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
39
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 69
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.8
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.4
1.6
Embodied Energy, MJ/kg 140
22
Embodied Water, L/kg 1010
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 32
37
Strength to Weight: Bending, points 37
30
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0.8 to 1.2
Carbon (C), % 0
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Copper (Cu), % 3.0 to 4.5
0
Iron (Fe), % 0 to 1.3
95.4 to 97.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10.5 to 12
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0