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6182 Aluminum vs. EN 1.7386 Steel

6182 aluminum belongs to the aluminum alloys classification, while EN 1.7386 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 6182 aluminum and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.8 to 13
18 to 21
Fatigue Strength, MPa 63 to 99
170 to 290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 140 to 190
340 to 410
Tensile Strength: Ultimate (UTS), MPa 230 to 320
550 to 670
Tensile Strength: Yield (Proof), MPa 130 to 270
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 190
600
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
26
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1170
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 23 to 32
20 to 24
Strength to Weight: Bending, points 30 to 38
19 to 22
Thermal Diffusivity, mm2/s 65
6.9
Thermal Shock Resistance, points 10 to 14
15 to 18

Alloy Composition

Aluminum (Al), % 95 to 97.9
0 to 0.040
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0 to 0.25
8.0 to 10
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.5
86.8 to 90.5
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.9 to 1.3
0.25 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0 to 0.15
0