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6182 Aluminum vs. EN 1.4762 Stainless Steel

6182 aluminum belongs to the aluminum alloys classification, while EN 1.4762 stainless 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 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 6.8 to 13
13
Fatigue Strength, MPa 63 to 99
180
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Shear Strength, MPa 140 to 190
370
Tensile Strength: Ultimate (UTS), MPa 230 to 320
620
Tensile Strength: Yield (Proof), MPa 130 to 270
310

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 190
1150
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 600
1370
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 160
17
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 8.4
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1170
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
67
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
26
Strength to Weight: Axial, points 23 to 32
23
Strength to Weight: Bending, points 30 to 38
21
Thermal Diffusivity, mm2/s 65
4.6
Thermal Shock Resistance, points 10 to 14
22

Alloy Composition

Aluminum (Al), % 95 to 97.9
1.2 to 1.7
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.25
23 to 26
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
69.7 to 75.1
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.9 to 1.3
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
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