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A242.0 Aluminum vs. EN 1.7386 Steel

A242.0 aluminum belongs to the aluminum alloys classification, while EN 1.7386 steel belongs to the iron alloys. There are 26 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 A242.0 aluminum and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.6
18 to 21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 220
550 to 670

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 210
600
Melting Completion (Liquidus), °C 680
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140
26
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
6.5
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.3
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1130
88

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 20
20 to 24
Strength to Weight: Bending, points 26
19 to 22
Thermal Diffusivity, mm2/s 52
6.9
Thermal Shock Resistance, points 9.3
15 to 18

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0 to 0.040
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0.15 to 0.25
8.0 to 10
Copper (Cu), % 3.7 to 4.5
0 to 0.3
Iron (Fe), % 0 to 0.8
86.8 to 90.5
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 1.8 to 2.3
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.6
0.25 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0