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EN AC-45500 Aluminum vs. S28200 Stainless Steel

EN AC-45500 aluminum belongs to the aluminum alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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-45500 aluminum and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
260
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.8
45
Fatigue Strength, MPa 80
430
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 320
870
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 500
290
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 610
1380
Melting Onset (Solidus), °C 600
1330
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
7.6
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
330
Resilience: Unit (Modulus of Resilience), kJ/m3 430
540
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
26
Strength to Weight: Axial, points 34
32
Strength to Weight: Bending, points 40
27
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0.2 to 0.7
0.75 to 1.3
Iron (Fe), % 0 to 0.25
57.7 to 64.1
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.15
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0