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712.0 Aluminum vs. EN 1.4005 Stainless Steel

712.0 aluminum belongs to the aluminum alloys classification, while EN 1.4005 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 712.0 aluminum and the bottom bar is EN 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.5 to 4.7
13 to 21
Fatigue Strength, MPa 140 to 180
240 to 290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 180
390 to 450
Tensile Strength: Ultimate (UTS), MPa 250 to 260
630 to 750
Tensile Strength: Yield (Proof), MPa 180 to 200
370 to 500

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Maximum Temperature: Mechanical, °C 190
760
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 610
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 160
30
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.0
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1140
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
350 to 650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
23 to 27
Strength to Weight: Bending, points 30 to 31
21 to 24
Thermal Diffusivity, mm2/s 62
8.1
Thermal Shock Resistance, points 11
23 to 27

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0.060 to 0.15
Chromium (Cr), % 0.4 to 0.6
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.5
82.4 to 87.8
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0