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1100 Aluminum vs. EN 1.6957 Steel

1100 aluminum belongs to the aluminum alloys classification, while EN 1.6957 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 1100 aluminum and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.1 to 32
18
Fatigue Strength, MPa 32 to 71
530
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 54 to 95
570
Tensile Strength: Ultimate (UTS), MPa 86 to 170
930
Tensile Strength: Yield (Proof), MPa 28 to 150
780

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
450
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 220
47
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 190
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
5.0
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.2
2.1
Embodied Energy, MJ/kg 150
29
Embodied Water, L/kg 1190
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.76 to 52
160
Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 170
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 8.7 to 17
33
Strength to Weight: Bending, points 16 to 25
27
Thermal Diffusivity, mm2/s 90
13
Thermal Shock Resistance, points 3.7 to 7.4
27

Alloy Composition

Aluminum (Al), % 99 to 99.95
0
Carbon (C), % 0
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Copper (Cu), % 0.050 to 0.2
0
Iron (Fe), % 0 to 1.0
92.7 to 94.7
Manganese (Mn), % 0 to 0.050
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0