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EN 1.7160 Steel vs. 308.0 Aluminum

EN 1.7160 steel belongs to the iron alloys classification, while 308.0 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 1.7160 steel and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
70
Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 470 to 1390
190

Thermal Properties

Latent Heat of Fusion, J/g 250
470
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1460
620
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 45
140
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
37
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
110

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
47
Strength to Weight: Axial, points 17 to 49
18
Strength to Weight: Bending, points 17 to 35
25
Thermal Diffusivity, mm2/s 12
55
Thermal Shock Resistance, points 14 to 41
9.2

Alloy Composition

Aluminum (Al), % 0
85.7 to 91
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.14 to 0.19
0
Chromium (Cr), % 0.8 to 1.1
0
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 96.8 to 98.1
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 1.0 to 1.3
0 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
5.0 to 6.0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5