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1070A Aluminum vs. EN 1.0644 Steel

1070A aluminum belongs to the aluminum alloys classification, while EN 1.0644 steel belongs to the iron alloys. There are 31 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 1070A aluminum and the bottom bar is EN 1.0644 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
200
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 2.3 to 33
17
Fatigue Strength, MPa 17 to 51
380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 44 to 81
420
Tensile Strength: Ultimate (UTS), MPa 68 to 140
690
Tensile Strength: Yield (Proof), MPa 17 to 120
570

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
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
47
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.0 to 14
24
Strength to Weight: Bending, points 14 to 22
22
Thermal Diffusivity, mm2/s 94
13
Thermal Shock Resistance, points 3.1 to 6.3
22

Alloy Composition

Aluminum (Al), % 99.7 to 100
0.010 to 0.050
Carbon (C), % 0
0.16 to 0.22
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.3
Iron (Fe), % 0 to 0.25
96.1 to 98.4
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0.1 to 0.5
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0
0.080 to 0.15
Zinc (Zn), % 0 to 0.070
0