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EN AC-42000 Aluminum vs. S32760 Stainless Steel

EN AC-42000 aluminum belongs to the aluminum alloys classification, while S32760 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 AC-42000 aluminum and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 59 to 91
250
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 1.1 to 2.4
28
Fatigue Strength, MPa 67 to 76
450
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 170 to 270
850
Tensile Strength: Yield (Proof), MPa 95 to 230
620

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.1
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
220
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
930
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 18 to 28
30
Strength to Weight: Bending, points 26 to 35
25
Thermal Diffusivity, mm2/s 66
4.0
Thermal Shock Resistance, points 7.9 to 12
23

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.2
0.5 to 1.0
Iron (Fe), % 0 to 0.55
57.6 to 65.8
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.15
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
0.5 to 1.0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0