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EN 1.1219 Steel vs. 204.0 Aluminum

EN 1.1219 steel belongs to the iron alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.1219 steel and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Tensile Strength: Ultimate (UTS), MPa 700 to 770
230 to 340

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
580
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
87 to 100

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 25 to 27
21 to 31
Strength to Weight: Bending, points 22 to 24
28 to 36
Thermal Diffusivity, mm2/s 14
46
Thermal Shock Resistance, points 22 to 25
12 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.050
93.4 to 95.5
Carbon (C), % 0.52 to 0.6
0
Copper (Cu), % 0 to 0.3
4.2 to 5.0
Iron (Fe), % 98.3 to 99.4
0 to 0.35
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0.6 to 0.9
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15