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EN AC-42200 Aluminum vs. EN 1.0303 Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.0303 steel belongs to the iron 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 AC-42200 aluminum and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.0 to 6.7
12 to 25
Fatigue Strength, MPa 86 to 90
150 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 320
290 to 410
Tensile Strength: Yield (Proof), MPa 240 to 260
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 610
1470
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
110 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
10 to 15
Strength to Weight: Bending, points 40 to 41
12 to 16
Thermal Diffusivity, mm2/s 66
14
Thermal Shock Resistance, points 15
9.2 to 13

Alloy Composition

Aluminum (Al), % 91 to 93.1
0.020 to 0.060
Carbon (C), % 0
0.020 to 0.060
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
99.335 to 99.71
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.25 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0