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7005 Aluminum vs. EN 1.4823 Stainless Steel

7005 aluminum belongs to the aluminum alloys classification, while EN 1.4823 stainless steel belongs to the iron 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 7005 aluminum and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 10 to 20
3.4
Fatigue Strength, MPa 100 to 190
130
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 200 to 400
620
Tensile Strength: Yield (Proof), MPa 95 to 350
290

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 610
1360
Specific Heat Capacity, J/kg-K 880
490
Thermal Conductivity, W/m-K 140 to 170
17
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
17
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
26
Strength to Weight: Axial, points 19 to 38
23
Strength to Weight: Bending, points 26 to 41
21
Thermal Diffusivity, mm2/s 54 to 65
4.5
Thermal Shock Resistance, points 8.7 to 18
17

Alloy Composition

Aluminum (Al), % 91 to 94.7
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0.060 to 0.2
25 to 28
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
60.9 to 70.7
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.0 to 6.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.35
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.010 to 0.060
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.15
0