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1050A Aluminum vs. EN 1.1151 Steel

1050A aluminum belongs to the aluminum alloys classification, while EN 1.1151 steel belongs to the iron alloys. 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 1050A aluminum and the bottom bar is EN 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 33
21 to 26
Fatigue Strength, MPa 22 to 55
180 to 240
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 44 to 97
300 to 330
Tensile Strength: Ultimate (UTS), MPa 68 to 170
460 to 520
Tensile Strength: Yield (Proof), MPa 22 to 150
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 650
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
50
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.1
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
160 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 18
16 to 18
Strength to Weight: Bending, points 14 to 25
17 to 18
Thermal Diffusivity, mm2/s 94
13
Thermal Shock Resistance, points 3.0 to 7.6
15 to 16

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0.17 to 0.24
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
97.7 to 99.43
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.4 to 0.7
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 0.25
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0

Comparable Variants