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EN 1.4005 Stainless Steel vs. EN AC-45000 Aluminum

EN 1.4005 stainless steel belongs to the iron alloys classification, while EN AC-45000 aluminum belongs to the aluminum alloys. There are 29 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 EN 1.4005 stainless steel and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 13 to 21
1.1
Fatigue Strength, MPa 240 to 290
75
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 630 to 750
180
Tensile Strength: Yield (Proof), MPa 370 to 500
110

Thermal Properties

Latent Heat of Fusion, J/g 270
470
Maximum Temperature: Mechanical, °C 760
180
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
520
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
81

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.0
7.7
Embodied Energy, MJ/kg 28
140
Embodied Water, L/kg 100
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
80
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
47
Strength to Weight: Axial, points 23 to 27
17
Strength to Weight: Bending, points 21 to 24
24
Thermal Diffusivity, mm2/s 8.1
47
Thermal Shock Resistance, points 23 to 27
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Carbon (C), % 0.060 to 0.15
0
Chromium (Cr), % 12 to 14
0 to 0.15
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 82.4 to 87.8
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0 to 1.5
0.2 to 0.65
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
5.0 to 7.0
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 0.35