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710.0 Aluminum vs. EN 1.4408 Stainless Steel

710.0 aluminum belongs to the aluminum alloys classification, while EN 1.4408 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 710.0 aluminum and the bottom bar is EN 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
150
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.2 to 3.6
34
Fatigue Strength, MPa 55 to 110
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 240 to 250
510
Tensile Strength: Yield (Proof), MPa 160
210

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 170
990
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 610
1390
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.7
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 7.9
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 190
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 29
18
Thermal Diffusivity, mm2/s 53
3.9
Thermal Shock Resistance, points 10 to 11
11

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0.35 to 0.65
0
Iron (Fe), % 0 to 0.5
62.4 to 71
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0