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204.0 Aluminum vs. EN 1.5508 Steel

204.0 aluminum belongs to the aluminum alloys classification, while EN 1.5508 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 204.0 aluminum and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 120
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.7 to 7.8
11 to 20
Fatigue Strength, MPa 63 to 77
210 to 320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 230 to 340
420 to 1460
Tensile Strength: Yield (Proof), MPa 180 to 220
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 34
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 100
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
260 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 31
15 to 52
Strength to Weight: Bending, points 28 to 36
16 to 36
Thermal Diffusivity, mm2/s 46
14
Thermal Shock Resistance, points 12 to 18
12 to 43

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
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), % 4.2 to 5.0
0 to 0.25
Iron (Fe), % 0 to 0.35
97.9 to 99.199
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0.6 to 0.9
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0