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EN 1.7027 Steel vs. 319.0 Aluminum

EN 1.7027 steel belongs to the iron alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.7027 steel and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
78 to 84
Elastic (Young's, Tensile) Modulus, GPa 190
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 250
480
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 45
110
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
84

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.4
7.7
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 51
1080

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 17 to 52
18 to 24
Strength to Weight: Bending, points 18 to 36
25 to 30
Thermal Diffusivity, mm2/s 12
44
Thermal Shock Resistance, points 14 to 43
8.6 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.050
85.8 to 91.5
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 97.1 to 98.5
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.6 to 0.9
0 to 0.5
Nickel (Ni), % 0
0 to 0.35
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5