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308.0 Aluminum vs. EN 1.4310 Stainless Steel

308.0 aluminum belongs to the aluminum alloys classification, while EN 1.4310 stainless steel belongs to the iron alloys. There are 31 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 308.0 aluminum and the bottom bar is EN 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 2.0
14 to 45
Fatigue Strength, MPa 89
240 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 150
510 to 550
Tensile Strength: Ultimate (UTS), MPa 190
730 to 900
Tensile Strength: Yield (Proof), MPa 110
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 470
290
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 620
1420
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
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.7
2.9
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1080
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 83
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 18
26 to 32
Strength to Weight: Bending, points 25
23 to 27
Thermal Diffusivity, mm2/s 55
4.0
Thermal Shock Resistance, points 9.2
15 to 18

Alloy Composition

Aluminum (Al), % 85.7 to 91
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.0
66.4 to 78
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
6.0 to 9.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 5.0 to 6.0
0 to 2.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0