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2007 Aluminum vs. EN 1.4823 Stainless Steel

2007 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 (3, 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 2007 aluminum and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.6 to 8.0
3.4
Fatigue Strength, MPa 91 to 110
130
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 370 to 420
620
Tensile Strength: Yield (Proof), MPa 240 to 270
290

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 510
1360
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 3.1
7.6
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1130
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
17
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
26
Strength to Weight: Axial, points 33 to 38
23
Strength to Weight: Bending, points 37 to 40
21
Thermal Diffusivity, mm2/s 48
4.5
Thermal Shock Resistance, points 16 to 19
17

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0 to 0.1
25 to 28
Copper (Cu), % 3.3 to 4.6
0
Iron (Fe), % 0 to 0.8
60.9 to 70.7
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
3.0 to 6.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.8
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.3
0