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EN 1.0213 Steel vs. 7204 Aluminum

EN 1.0213 steel belongs to the iron alloys classification, while 7204 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 1.0213 steel and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 12 to 25
11 to 13
Fatigue Strength, MPa 160 to 240
110 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 230 to 270
130 to 220
Tensile Strength: Ultimate (UTS), MPa 320 to 430
220 to 380
Tensile Strength: Yield (Proof), MPa 220 to 330
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 400
210
Melting Completion (Liquidus), °C 1470
640
Melting Onset (Solidus), °C 1430
520
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 53
150
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
39
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
120

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 98
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 300
110 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 11 to 15
21 to 36
Strength to Weight: Bending, points 13 to 16
28 to 40
Thermal Diffusivity, mm2/s 14
58
Thermal Shock Resistance, points 10 to 14
9.4 to 16

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
90.5 to 94.8
Carbon (C), % 0.060 to 0.1
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 99.245 to 99.67
0 to 0.35
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0.25 to 0.45
0.2 to 0.7
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15