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308.0 Aluminum vs. EN 1.4062 Stainless Steel

308.0 aluminum belongs to the aluminum alloys classification, while EN 1.4062 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 308.0 aluminum and the bottom bar is EN 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 2.0
23 to 34
Fatigue Strength, MPa 89
410 to 420
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
79
Shear Strength, MPa 150
510
Tensile Strength: Ultimate (UTS), MPa 190
770 to 800
Tensile Strength: Yield (Proof), MPa 110
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 470
290
Maximum Temperature: Mechanical, °C 170
1030
Melting Completion (Liquidus), °C 620
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1080
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 83
690 to 910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 18
28 to 29
Strength to Weight: Bending, points 25
24 to 25
Thermal Diffusivity, mm2/s 55
4.0
Thermal Shock Resistance, points 9.2
21 to 22

Alloy Composition

Aluminum (Al), % 85.7 to 91
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.0
69.3 to 77.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 5.0 to 6.0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0