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EN 1.1061 Steel vs. 1070A Aluminum

EN 1.1061 steel belongs to the iron alloys classification, while 1070A aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.1061 steel and the bottom bar is 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 190
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
68 to 140

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
230
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
60
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
200

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 46
1200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 19 to 64
7.0 to 14
Strength to Weight: Bending, points 19 to 42
14 to 22
Thermal Diffusivity, mm2/s 14
94
Thermal Shock Resistance, points 17 to 58
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
Carbon (C), % 0.42 to 0.5
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Iron (Fe), % 98.1 to 99.06
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0.5 to 0.8
0 to 0.030
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.2
Sulfur (S), % 0.020 to 0.035
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0
0 to 0.070