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EN 1.4823 Stainless Steel vs. 4007 Aluminum

EN 1.4823 stainless steel belongs to the iron alloys classification, while 4007 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 1.4823 stainless steel and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 3.4
5.1 to 23
Fatigue Strength, MPa 130
46 to 88
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 620
130 to 160
Tensile Strength: Yield (Proof), MPa 290
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 320
410
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1400
650
Melting Onset (Solidus), °C 1360
590
Specific Heat Capacity, J/kg-K 490
890
Thermal Conductivity, W/m-K 17
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.6
2.8
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 170
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 200
18 to 110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
49
Strength to Weight: Axial, points 23
12 to 15
Strength to Weight: Bending, points 21
20 to 23
Thermal Diffusivity, mm2/s 4.5
67
Thermal Shock Resistance, points 17
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 25 to 28
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 60.9 to 70.7
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0 to 1.5
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.0 to 6.0
0.15 to 0.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
1.0 to 1.7
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15