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1100A Aluminum vs. EN 1.1221 Steel

1100A aluminum belongs to the aluminum alloys classification, while EN 1.1221 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 1100A aluminum and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 4.5 to 34
10 to 21
Fatigue Strength, MPa 35 to 74
240 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 59 to 99
450 to 520
Tensile Strength: Ultimate (UTS), MPa 89 to 170
730 to 870
Tensile Strength: Yield (Proof), MPa 29 to 150
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
48
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.1
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.5
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 9.1 to 17
26 to 31
Strength to Weight: Bending, points 16 to 25
23 to 26
Thermal Diffusivity, mm2/s 93
13
Thermal Shock Resistance, points 4.0 to 7.6
23 to 28

Alloy Composition

Aluminum (Al), % 99 to 100
0
Carbon (C), % 0
0.57 to 0.65
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0.050 to 0.2
0
Iron (Fe), % 0 to 1.0
97.1 to 98.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.050
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0

Comparable Variants